7.pdf This presentation captures many uses and the significance of the number...
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9th class maths MCQs by Ustani G.docx
1.
2. (a)
(b)
(a) {0}
(a)
(c) π₯7
MULTIPLE CHOICE QUESTIONS
CHAPTER 01
REAL AND COMPLEX
NUMBERS
Choose the correct answer from the options given in each question.
β1 β
2
(c) π (d) βπ
8. Every real number is
(a) a positive integer (b) a rational number
(c) A negative integer (d) a complex number
9. Real part of 2ππ(π + π2) is
(a) 2ab (b) β2ab
(c) 2abπ (d) β2abπ
10. Imaginary part of βπ(3π + 2) is
(a) β2 (b) 2
(c) 3 (d) β3
11. Which of the following sets have the closure property w. r. t. addition
1. (27π₯
3
βπ₯2
) 3 =
βπ₯3 (b) {0, β1}
9
3
βπ₯2
(b) 9
βπ₯3
(c) {0,1} (d) {1,
1
β2
,
1
}
2
(c) 8
(d) 8 12. Name the property of real numbers used in (β β5) Γ 1 = β
β5
2 2
2. Write 7βπ₯ in exponential form
(a) π₯ (b) π₯7
(a) Additive identity (b) Additive inverse
(c) Multiplicative identity (d) Multiplicative inverse
1
2
3. Write 43 with radical sign
7
(d) π₯2 13. If π₯, π¦, π§ β R and π§ < 0 then π₯ < π¦ β
(a) π₯π§ < π¦π§ π₯π§ > π¦π§
3β42
(c) 2β43
4. In 3β35 the radicand is
(b) β43
(d) β46
(c) π₯π§ = π¦π§ (d) none of these
14. If π, π β R then only one of π = π or π < π or π > π holds is called
(a) Trichotomy property (b) Transitive property
(c) Additive property (d) Multiplicative property
(a) 3 (b) 1
3
(d) none of these
1
25 β
15. A non-terminating non-recurring decimal represents:
(a) a natural number (b) A rational number
(c) An irrational number (d) A prime number
5. ( )
16
2 = 16. The union of the set of rational numbers and irrational number is known
(a) 5
4
(c) β
5
4
6. The conjugate of 5 + 4π is
(d) β
4
5
as set of
(a) rational number (b) irrational
(c) real number (d) whole number
17. β3. β3 is a number
(a) β5 + 4π (b) β5 β 4π
(c) 5 β 4π (d) 5 + 4π
7. The value of π9 is
(a) rational (b) irrational
(c) real (d) none
18. πβππ =
(a) 1 (b) β1
π
βπ
π
βπ (b) βπ βπ
(b) 4
5
(a)
(c) 35
3. 1 a 2 c 3 a 4 c 5 b
6 c 7 c 8 d 9 b 10 a
11 a 12 c 13 b 14 a 15 c
16 c 17 c 18 a 19 a 20 a
21 a 22 a 23 b 24 a 25 a
26 a 27 c 28 a 29 c 30 b
(c) π
βπ βπ (d) βπ
π
βπ
19. 5ββ8 =
1
(a) (β8)5 (b) (β8)5
1
(c) β8 (d) (8)5
20. The value of π10 is:
(a) β1 (b) 1
(c) βπ (d) π
21. The conjugate of 2 + 3π is
(a) 2 β 3π (b) β2 β 3π
(c) β2 + 3π (d) 2 + 3π
2
22. Real part of (β1 + ββ2) is:
(a) β1 (b) β2β2
(c) 1 (d) 2β2
2
23. Imaginary part of (β1 + ββ2) is:
(a) β1 (b) β2β2
(c) 1 (d) 2β2
(a) π₯ = 4, π¦ = β3 (b) π₯ = 3, π¦ = 3
(c) π₯ = 3, π¦ = β3 (d) π₯ = 5, π¦ = β3
30. π from of 0. 3 is
π
(a) 3
10
(c) 0.33 (d) 10
3
24. π is a/an
π
number
(a) irrational (b) rational
(c) natural (d) whole
25. The value of π (iota) is
(a) ββ1 (b) β1
(c) 1 (d) (β1)2
26. In β2 + 3π, 3 is called
(a) imaginary part (b) real part
(c) negative part (d) complex number
27. The set of natural number is
(a) {0,1,2,3, β¦ } (b) {2,4,6, β¦ }
(c) {1,2,3, β¦ } (d) {2,3,5,7, β¦ }
28. π, π, β2, β3 and β5 are called
(a) irrational numbers (b) rational numbers
(c) natural numbers (d) complex numbers
29. If π₯ + ππ¦ + 1 = 4 β 3π, then
(b) 1
3
4. π
CHAPTER 02
LOGARITHMS
9. logπ π Γ logπ π can be written as
(a) logπ π (b) logπ π
(c) logπ π (d) logπ π
10. logπ¦ π₯ will be equal to
(a)
logπ§ π₯
logπ¦ π§
(c)
logπ§ π₯
logπ§ π¦
(b)
logπ₯ π§
logπ¦ π§
(d)
logπ§ π¦
logπ§ π₯
Choose the correct answer from the options given in each question. 11. For common logarithm, the base is
1. If ππ₯ = π, then (a) 2 (b) 10
(a) π = logπ₯ π
(c) π₯ = logπ π
2. The relation of π¦ = logπ§ π₯ implies
(b) π₯ = logπ π
(d) π = logπ π₯
(c) π
12. For natural logarithm, the base is
(a) 10
(d) 1
(b) π
(a) π¦π₯ = π§ (b) π§π¦ = π₯ (c) 2 (d) 1
(c) π₯π§ = π¦ (d) π¦π§ = π₯
3. The logarithm of unity to any base is
(a) 1 (b) 10
(c) π (d) 0
4. The logarithm to any number to itself as base is
(a) 1 (b) 0
(c) β1 (d) 10
5. log π = where π β 2.718
(a) 0 (b) 0.4343
(c) β (d) 1
13. The integral part of the common logarithm of a number is called the
(a) characteristic (b) mantissa
(c) logarithm (d) none of these
14. The decimal part of the common logarithm of a number is called the
(a) characteristic (b) mantissa
(c) logarithm (d) none of these
15. If π₯ = log π¦, then π¦ is called the
(a) antilogarithm (b) logarithm
(c) characteristic (d) none of these
6. The value of log ( ) is
π
16. 30600 in scientific notation is
(a) 3.06 Γ 104 (b) 3.006 Γ 104
log π β log π (b) log π
log π
(c) log π + log π (d) log π β log π
7. log π β log π is same as:
(a) log (
π
) (b) log(π β π)
π
(c) 30.6 Γ 104 (d) 306 Γ 104
17. 6.35 Γ 106 in ordinary notation is
(a) 6350000 (b) 635000
(c) 6350 (d) 63500
18. A number written in the form of π Γ 10π, where 1 β€ π β€ 10 and π is
(c)
log π
log π
8. log ππ can be written as
(d)
log
π
π
an integer is called
(a) scientific notation (b) ordinary notation
(a) (log π)π (b) π log π
(c) π log π (d) log(ππ)
(c) logarithmic notation (d) none of these
19. common logarithm is also known as logarithm.
(a) natural (b) simple
MULTIPLE CHOICE QUESTIONS
(a)
5. 1 c 2 b 3 d 4 a 5 b
6 a 7 d 8 c 9 a 10 c
11 b 12 b 13 a 14 b 15 a
16 a 17 a 18 a 19 d 20 d
21 d 22 a 23 a 24 b
MULTIPLE CHOICE QUESTIONS
(c) scientific
20. logπ π + logπ π is same as:
decadic
(a) logπ(π + π) (b) logπ(π Γ π)
(c) logπ π Γ logπ π
π
logπ (π
) ALGEBRAIC EXPRESSION
21. John Napier prepared the logarithm tables to the base .
(a) 0 (b) 1
(c) 10 (d) π
22. log2 3 in common log is written as .
AND FORMULAS
(a)
log 3
log 2
(c)
log 3
2
23. logπ 10 =
(b)
log 2
log 3
(d) log 23
Choose the correct answer from the options given in each question.
1. 4π₯ + 3π¦ β 2 is an algebraic
(a) expression (b) sentence
(a) 2.3026 (b) 0.4343
(c) π10 (d) 10
24. If log2 π₯ = 5 then π₯ is:
(a) 25 (b) 32
(c) 10 (d) 25π₯
(c) equation (d) inequation
2. The degree of polynomial 4π₯4 + 2π₯2π¦ is
6. 1
πβπ
β
1
π+π
is equal to
(a) 2π
π2βπ2
(c)
β2π
π2βπ2
7. π
2βπ2
is equal to
π+π
(a) (π β π)2
(c) π + π
8. (βπ + βπ)(βπ β βπ) is equal to
2π
π2βπ2
(d)
β2π
π2βπ2
(π + π)2
π β π
(b)
(d)
(b)
(d)
(d)
CHAPTER 03
(a) 1
(c) 3
3. π3 + π3 is equal to
(b) 2
(d) 4
(a) (π β π)(π2 + ππ + π2) (b) (π + π)(π2 β ππ + π2)
(c) (π β π)(π2 β ππ + π2) (d) (π + π)(π2 + ππ β π2)
4. (3 + β2)(3 β β2) is equal to
(a) 7 (b) β7
(c) β1 (d) 1
5. Conjugate of Surd π + βπ is
(a) βπ + βπ (b) π β βπ
(c) βπ + βπ (d) βπ β βπ
6. 1 a 2 d 3 b 4 a 5 b
6 b 7 d 8 c 9 a 10 a
11 a 12 a 13 b 14 a 15 b
16 b 17 c 18 c 19 d 20 a
21 d
(a) π2 + π2 (b) π2 β π2
(c) π β π (d) π + π
9. The degree of the polynomial π₯2π¦2 + 3π₯π¦ + π¦3 is
(a) 4 (b) 5
(c) 6 (d) 2
10. π₯2 β 4 =
(a) (π₯ β 2)(π₯ + 2) (b) (π₯ β 2)(π₯ β 2)
(c) (π₯ + 2)(π₯ + 2) (d) (π₯ β 2)2
11. π₯3 +
1 1
( )
19. Which of the following is not surd?
(a) β2 (b) β3
(c) β2 + 5 (d) βπ
20. In the polynomial with the variable π₯, all the powers of π₯ are
integers.
(a) non-negative (b) negative
(c) non-positive (d) none of these
21. Polynomial means an expression with:
(a) one term (b) two terms
π₯3 = (π₯ + π₯
)
(a) π₯2 β 1 +
1
π₯2
(c) π₯2 + 1 β
1
π₯2
β¦ β¦ β¦ β¦ β¦
(b) π₯2 + 1 +
1
π₯2
(d) π₯2 β 1 β
1
π₯2
(c) three terms (d) many term
12. 1 =
2ββ3
(a) 2 + β3 (b) 2 β β3
(c) β2 + β3 (d) β2 β β3
13. (π + π)2 β (π β π)2 =
(a) 2(π2 + π2) (b) 4ππ
(c) 2ππ (d) 3ππ
14. A surd which contains a single term is called surd.
(a) monomial (b) binomial
(c) trinomial (d) conjugate
15. What is the leading coefficient of polynomial 3π₯2 + 8π₯ + 5?
(a) 2 (b) 3
(c) 5 (d) 8
16. A surd which contains two terms is called surd.
(a) monomial (b) binomial
(c) trinomial (d) conjugate
17. Which of the following is polynomial?
(a) 3π₯2 +
1
π₯ (b) 4π₯2 β 3βπ₯
(c) π₯2 β 3π₯ + β2 (d) 2π₯2 + 3π₯β1
18. (3 + β3)(3 β β3) =
(a) 12 (b) 9
(c) 6 (d) 3
8. 1 b 2 c 3 d 4 b 5 c
6 c 7 c 8 a 9 a 10 a
11 a 12 b 13 b 14 a 15 a
16 c 17 d 18 b 19 d 20 a
(b) 1
(d) 3
(a) zero
(c) 2
20. (π₯ β π¦)(π₯2 + π₯π¦ + π¦2) =
(a) π₯3 β π¦3 (b) π₯3 + π¦3
(c) (π₯ + π¦)3 (d) (π₯ β π¦)3
CHAPTER 05
ALGEBRAIC
MANIPULATION
Choose the correct answer from the options given in each question.
1. H.C.F. of π3π β ππ3 and π5π2 β π2π5 is
(a) ππ(π2 β π2) (b) ππ(π β π)
(c) π2π2(π β π) (d) ππ(π3 β π3)
2. H.C.F. of 5π₯2π¦2 and 20π₯3π¦3 is:
(a) 5π₯2π¦2 (b) 20π₯3π¦3
(c) 100π₯5π¦5 (d) 5π₯π¦
3. H.C.F. of (π₯ β 2) and (π₯2 + π₯ β 6) is
(a) π₯2 + π₯ β 6 (b) π₯ + 2
(c) π₯ β 2 (d) π₯ + 3
4. H.C.F. of (π3 + π3) and (π2 β ππ + π2) is
(a) π + π (b) π2 β ππ + π2
(c) (π β π)2 (d) π2 + π2
5. H.C.F. of (π₯2 β 5π₯ + 6) and (π₯2 β π₯ β 6) is:
(a) π₯ β 3 (b) π₯ + 2
(c) π₯2 β 4 (d) π₯ β 2
6. H.C.F. of (π2 β π2) and (π3 β π3) is:
(a) π β π (b) π + π
(c) π2 + ππ + π2 (d) π2 β ππ + π2
7. H.C.F. of (π₯2 + 3π₯ + 2) and (π₯2 + 4π₯ + 3) is:
(a) π₯ + 1 (b) (π₯ + 1)(π₯ + 2)
(c) (π₯ + 3) (d) (π₯ + 4)(π₯ + 1)
8. L.C.M. of 15π₯2, 45π₯π¦ and 30π₯π¦π§ is:
(a) 90π₯π¦π§ (b) 90π₯2π¦π§
(c) 15π₯π¦π§ (d) 15π₯2π¦π§
MULTIPLE CHOICE QUESTIONS
9. π
(c) 1
π
(d)
9. L.C.M. of π2 + π2 and π4 β π4 is:
(a) π2 + π2 (b) π2 β π2
(c) π4 β π4 (d) π β π
(a) Β±(2π₯ β 3) (b) Β±(2π₯ + 3)
(c) (2π₯ + 3)2 (d) (2π₯ β 3)2
19. L.C.M. =
10. The product of two algebraic expression is equal to the
H.C.F. and L.C.M.
(a) sum (b) difference
(c) product (d) quotient
of their (a)
π(π₯)Γπ(π₯)
H.C.F
(c)
π(π₯)
π(π₯)ΓH.C.F
20. H.C.F. =
(b)
π(π₯)Γπ(π₯)
L.C.M
(d)
π(π₯)
π(π₯)ΓH.C.F
11. π
9π2βπ2
(a) 4π
9π2βπ2
4π+π
9π2βπ2
+
1
=
3πβπ
(b)
4πβπ
9π2βπ2
(d) π
9π2βπ2
(a)
π(π₯)Γπ(π₯)
L.C.M
(c)
π(π₯)
π(π₯)ΓL.C.M
21. L. C. M Γ H. C. F. =
(b)
π(π₯)Γπ(π₯)
H.C.F
(d)
L.C.M
π(π₯)Γπ(π₯)
12.
π2+5πβ14
Γ
π+3
=
π2β3πβ18 πβ2
(a)
π+7
πβ6
(c)
π+3
πβ6
13.
π3βπ3
Γ· (
π2+ππ+π2
) =
(b)
π+7
πβ2
(d)
πβ2
π+3
(a) π(π₯) Γ π(π₯) (b) π(π₯) Γ H. C. F.
(c) π(π₯) Γ L. C. M (d) none of these
22. Any unknown expression may be found if of them are known by
using the relation L. C. M Γ H. C. F = p(π₯) Γ π(π₯)
(a) two (b) three
π4βπ4
1
π+π
(c)
πβπ
π2+π2
π2+π2
(b) 1
πβπ
(d)
π+π
π2+π2
(c) four (d) none of these
23. The H.C.F of π₯2 β 4, π₯2 + 4π₯ + 4 and 2π₯2 + π₯ β 6 is:
(a) π₯ β 2 (b) π₯ + 2
(c) 2π₯ β 3 (d) (π₯ β 2)(π₯ + 2)(2π₯ β 3)
14. (
2π₯+π¦
β 1) Γ· (1 β
π₯
) = π+π π2βππ
(a)
(c)
π₯+π¦
π₯
π₯+π¦
π¦
π₯+π¦
(b)
π¦
π₯+π¦
π₯
24.
π2βπ2
Γ·
π2β2ππ+π2
(a) π (b) π
π
π₯ π¦
15. The square root of π2 β 2π + 1 is 25. If π΄ = π+π
, then 1 is:
(d) π
(a) Β±(π + 1) (b) Β±(π β 1)
(c) π β 1 (d) π + 1
16. What should be added to complete the square of π₯4 + 64?
(a) 8π₯2 (b) β8π₯2
(a)
πβπ
π+π
(c)
πβπ
πβπ
πβπ π΄
(b)
π+π
πβπ
(d)
π+π
π+π
(c) 16π₯2 (d) 4π₯2
17. The square root of π₯4 +
1
+ 2 is:
π₯4
26. How many methods are used to find H.C.F of given expression?
(a) one (b) two
(c) three (d) four
(a)
1
Β± (π₯ + )
π₯
Β± (π₯2 +
1
)
π₯2
27. How many methods are used to find square root of given expression?
(a) one (b) two
(c) Β± (π₯ β
1
) (d) Β± (π₯2 β
1
)
π₯
18. The square root of 4π₯2 β 12π₯ + 9 is:
π₯2 (c) three (d) four
28. If π(π₯). π(π₯) = π(π₯), then π(π₯) is called of π(π₯).
(b)
(a)
(c)
10. 1 b 2 a 3 c 4 b 5 a
6 a 7 a 8 b 9 c 10 c
11 c 12 a 13 a 14 d 15 b
16 c 17 b 18 a 19 a 20 a
21 a 22 b 23 b 24 c 25 a
26 c 27 c 28 b
(b)
(a) square (b) square root
(c) L.C.M (d) H.C.F CHAPTER 06
LINEAR EQUATION AND
LINEAR INEQUALITIES
Choose the correct answer from the options given in each question.
1. Which of the following is the solution of the inequality 3 β 4π₯ β€ 11?
(a) π₯ β₯ β8
(c) π₯ β₯ β
14
3
π₯ β₯ β2
(d) none of these
2. A statement involving any of the symbols <, >, β€ or β₯ is called
(a) equation (b) identity
(c) inequality (d) linear equation
3. π₯ = is a solution of the inequality β2 < π₯ <
3
2
(a) β5 (b) 3
(d) 5
2
4. If π₯ is no larger than 10, then:
(a) π₯ β₯ 8 (b) π₯ β€ 10
(c) π₯ < 10 (d) π₯ > 10
5. If the capacity x of an elevator is at most 1600 pounds, then
(a) π < 1600
(c) π β€ 1600
6. π₯ = 0 is a solution of the inequality:
(b) π β₯ 1600
(d) π > 1600
(a) π₯ > 0 (b) 3π₯ + 5 > 0
(c) π₯ + 2 < 0 (d) π₯ β 2 < 0
7. The linear equation in one variable π₯ is:
(a) ππ₯ + π = 0 (b) ππ₯2 + ππ₯ + π = 0
(c) ππ₯ + ππ¦ + π = 0 (d) ππ₯2 + ππ¦2 + π = 0
8. An inconsistent equation is that whose solution set is:
(a) empty (b) not empty
(c) zero (d) positive
MULTIPLE CHOICE QUESTIONS
(c) 0
11. 9. |π₯| = π is equivalent to:
(a) π₯ = π or π₯ = βπ (b) π₯ =
1
or π₯ = β
1
18. |π₯| = 0 has only solution
(a) one (b) two
(c) π₯ = π or π₯ = β
1
π
10. A linear inequality in one variable π₯ is:
π π
(d) none of these
(c) three (d) none of these
19. The equation |π₯| = 2 is equivalent to:
(a) π₯ = 2 or π₯ = β2 (b) π₯ = β2 or π₯ = β2
(a) ππ₯ + π > 0, π β 0
(b) ππ₯2 + ππ₯ + π < 0, π β 0
(c) π₯ = 2 or π₯ =
1
2
(d) π₯ = 2 or π₯ = β
1
2
(c) ππ₯ + ππ¦ + π > 0, π β 0
(d) ππ₯2 + ππ¦2 + π < 0, π β 0
11. Law of trichotomy is . (π, π β R)
(a) π < π or π = π or π > π (b) π < π or π = π
(c) π < π or π > π (d) none of these
12. Transitive law is
(a) π < π and π < π, then π < π
(b) π > π and π < π, then π > π
(c) π > π and π < π, then π = π
(d) none of these
13. If π > π, π > 0 then:
(a) ππ < ππ (b) ππ > ππ
(c) ππ = ππ (d) ππ β€ ππ
14. If π > π, π > 0 then
20. A/an is equation that is satisfied by every number for which
both sides are defined:
(a) identity (b) conditional
(c) inconsistent (d) inequation
21. A/an equation is an equation whose solution set is the empty
set:
(a) identity (b) conditional
(c) inconsistent (d) none
22. A/an equation is an equation that is satisfied by at least one
number but is not an identity:
(a) identity (b) conditional
(c) inconsistent (d) none
23. π₯ + 4 = 4 + π₯ is equation:
(a) identity (b) conditional
(c) inconsistent (d) none
(a) π >
π
(b) π <
π
24. 2π₯ + 1 = 9 is equation:
π π π π
(c) π =
π
π π
15. If π > π, π < 0 then
(a) π <
π
(d) π β
π
π π
(b) π >
π
(a) identity (b) conditional
(c) inconsistent (d) none
25. π₯ = π₯ + 5 is equation:
(a) identity (b) conditional
π π π π
(c) π =
π
(d) π β€
π
(c) inconsistent (d) none
π π π π
16. If π, π β R, π β 0 then 26. Equations having exactly the same solution are called solution.
π
| | =
π
|π|
|π|
(b) |ππ| =
|π|
|π|
(a) equivalent (b) linear
(c) inconsistent (d) inequation
(c) |π + π| = |π| + |π| (d) |π β π| = |π| β |π|
17. When the variable in an equation occurs under a radical, the equation is
called equation.
(a) radical (b) absolute value
(c) linear (d) none of these
27. A solution that does not satisfy the original equation is called
solution.
(a) extraneous (b) root
(c) general (d) proper
(a)
12. 1 b 2 c 3 c 4 b 5 c
6 d 7 a 8 a 9 a 10 a
11 a 12 a 13 b 14 a 15 a
16 a 17 a 18 a 19 a 20 a
21 c 22 c 23 a 24 b 25 c
26 a 27 a
(b)
(d)
CHAPTER 07
LINEAR GRAPH AND THEIR
APPLICATION
Choose the correct answer from the options given in each question.
1. If (π₯ β 1, π¦ + 1) = (0,0), then (π₯, π¦) is:
(a) (1, β1) (b) (β1,1)
(c) (1,1) (d) (β1, β1)
2. If (π₯, 0) = (0, π¦), then (π₯, π¦) is:
(a) (0,1) (b) (1,0)
(c) (0,0) (d) (1,1)
3. Point (2, β3) lies in quadrant.
(a) I (b) II
(c) III (d) IV
4. Point (β3, β3) lies in quadrant.
(a) I (b) II
(c) III (d) IV
5. If π¦ = 2π₯ + 1, π₯ = 2 then π¦ is:
(a) 2 3
(c) 4 5
6. Which ordered pair satisfy the equation π¦ = 2π₯:
(a) (1,2) (b) (2,1)
(c) (2,2) (d) (0,1)
7. The real number π₯, π¦ of the ordered pair (π₯, π¦) are called of point
π(π₯, π¦) in a plane.
(a) co-ordinate (b) π₯ co-ordinate
(c) π¦-co-ordinate (d) ordinate
8. Cartesian plane is divided into quadrants.
(a) two (b) three
(c) four (d) five
MULTIPLE CHOICE QUESTIONS
13. 1 a 2 c 3 d 4 c 5 d
6 a 7 a 8 c 9 a 10 b
11 d 12 a 13 a 14 a 15 b
16 a 17 d 18 c 19 d 20 a
9. The point of intersection of two coordinate axes is called:
(a) origin (b) centre
(c) π₯-coordinate (d) ordinate
10. The π₯-coordinate of a point is called
(a) origin (b) abscissa
(c) π¦-coordinate (d) ordinate
11. The π¦-coordinate of a point is called
(a) origin (b) π₯-coordinate
(c) π¦-coordinate (d) ordinate
12. The set of points which lie on the same line are called points.
(a) collinear (b) similar
(c) common (d) none of these
13. The plane formed by two straight lines perpendicular to each other is
called:
(a) cartesian plane (b) coordinate axes
(c) plane (d) none of these
14. An ordered pair is a pair of elements in which elements are written in
specific:
(a) order (b) array
(c) point (d) none
15. Point (β1,2) lies in quadrant.
(a) I (b) II
(c) III (d) IV
16. Point (1,1) lies in quadrant.
(a) I (b) II
(c) III (d) IV
17. Point (1, β3) lies in quadrant.
(a) I (b) II
(c) III (d) IV
18. Which of the following points is one the origin?
(a) (0,0) (b) (β2, β3)
(c) (0,2) (d) (4,0)
19. Which of the following lines is parallel to π₯-axis?
(a) π₯ = 0 (b) π₯ = β3
(c) π₯ = 3 (d) π¦ = β3
20. Which of the following lines is parallel to π¦-axis?
(a) π¦ = 2π₯ (b) π₯ = β3
(c) π¦ = 3 (d) π¦ = 4π₯ + 1
14. (a)
CHAPTER 08
QUADRATIC EQUATION
(c) {Β±2} (d) Β±2
9. An equation of the form 2π₯4 β 3π₯3 + 7π₯2 β 3π₯ + 2 = 0 is called a/an:
(a) reciprocal equation (b) radical equation
(c) exponential equation (d) none of these
10. The solution set of 25π₯2 β 1 = 0 is:
1
{Β± }
5
(b)
1
{β }
5
Choose the correct answer from the options given in each question.
(c) {
1
}
5
(d) none of these
1. Standard form of quadratic equation is:
(a) ππ₯ + π = 0, π β 0 (b) ππ₯2 + ππ₯ + π = 0, π β 0
(c) ππ₯2 = ππ₯, π β 0 (d) ππ₯2 β 0, π β 0
11. An equation of the form 22π₯ β 3. 2π₯ + 5 = 0 is called a/an:
(a) exponential equation (b) radical equation
(c) reciprocal equation (d) none of these
2. The number of terms in a standard quadratic equation
is:
(a) 1 (b) 2
(c) 3 (d) 4
ππ₯2 + ππ₯ + π = 0
12. The solution set of the equation π₯2 β 9 = 0 is:
(a) {Β±3} (b) {3}
(c) {β3} (d) {9}
13. An equation of the form π₯4 + π₯3 + π₯2 + π₯ + 1 = 0 is called a/an
3. The number of methods to solve a quadratic equation is:
(a) 1 (b) 2
(c) 3 (d) 4
4. The quadratic formula is:
equation:
(a) radical (b) reciprocal
(c) exponential (d) none of these
14. Solution set of the equation 51+π₯ + 51βπ₯ = 26 is:
βπΒ±βπ2β4ππ
(b)
2π
πΒ±βπ2β4ππ
2π
(a) {1} (b) {Β±1}
(c) {2} (d) {Β±2}
(c)
βπΒ±βπ2+4ππ
(d)
πΒ±βπ2+4ππ 15. The solution set of the equation 2 + 9π₯ = 5π₯2 is:
2π 2π 1 1
5. Two linear factors of π₯2 β 15π₯ + 56 = 0 are:
(a) (π₯ β 7) and (π₯ + 8) (b) (π₯ + 7) and (π₯ β 8) (c)
{β , 2} (b) {
5 5
1
, 2}
1
{ , β2} (d) {β
5 5 , β2}
(c) (π₯ β 7) and (π₯ β 8) (d) (π₯ + 7) and (π₯ + 8)
6. An equation, which remains unchanged when π₯ is replaced by 1 is called
π₯
a/an:
(a) exponential equation (b) reciprocal equation
(c) radical equation (d) none of these
7. An equation of the type 3π₯ + 32βπ₯ + 6 = 0 is a/an:
(a) exponential equation (b) reciprocal equation
(c) radical equation (d) none of these
8. The solution set of equation 4π₯2 β 16 = 0 is:
(a) {Β±4} (b) {4}
16. The solution set of the equation 5π₯2 = 30π₯ is:
(a) {5,30} (b) {0,6}
(c) {0, β6} (d) {5,0}
17. The solution set of the equation π₯2 β π₯ β 2 = 0 is:
(a) {2,1} (b) {β2,1}
(c) {2, β1} (d) {β2, β1}
18. The solution set of the equation π₯2 β 16 = 0 is:
(a) {Β±4} (b) {4}
(c) {β4} (d) none of these
19. The solution set of the equation π₯2 β 7π₯ + 6 = 0 is:
MULTIPLE CHOICE QUESTIONS (a)
(a)
15. 1 b 2 c 3 c 4 a 5 C
6 b 7 a 8 c 9 a 10 A
11 a 12 a 13 b 14 b 15 A
16 b 17 c 18 a 19 a 20 A
21 A 22 c 23 c 24 b 25 B
26 B 27 b 28 a 29 b 30 A
31 B 32 a 33 d 34 a 35 C
(a) {1,6} (b) {β1, β6}
(c) {β1,6} (d) {1, β6}
20. The solution set of the equation 3π₯2 + 4π₯ = 5 is:
(c) add 7 in both sides (d) subtract 7 from both sides
30. What should be done to make the coefficient of π₯2 to 1 in
3π₯2 + 7π₯ = 0?
(a) {
β2Β±β19
} (b) 2Β±β19 (a) multiply the equation by 1 (b) divide the equation by 1
3
{ 3
} 3 3
4Β±β19 (c) add 1 in both sides (d) subtract 1 from both sides
(c) { } (d) none of these 3 3
3
21. If π = 0 in a quadratic equation ππ₯2 + ππ₯ + π = 0, then it is called:
(a) pure quadratic equation (b) linear equation
(c) quadratic equation (d) exponential equation
22. Sentences involving the sign between the algebraic
expressions are called equations:
(a) < (b) β₯
(c) = (d) < or >
23. The standard from of the quadratic equation is ππ₯2 + ππ₯ + π = 0 where
31. The value of variable of an equation not satisfying the equation is called:
(a) root (b)extraneous root
(c) exponent (d) solution set
32. The cancellation of π₯ on both sides of the equation ππ₯2 = ππ₯ means the
loss of one root. That root is always equal to:
(a) 0 (b) 1
(c) A (d) b
33. If π¦ = π₯β1 and 3π¦ = 5, the value of π₯ is:
a, b, c are:
(a) irrational numbers (b) rational numbers
(c) real numbers (d) whole numbers
(a) 5
3
(c) β
3
5
34. If 2π₯ = 1, then π₯ =
(b) β
5
3
24. If π = 0 in ππ₯2 + ππ₯ + π = 0, then it reduces to:
(a) pure quadratic equation (b) linear equation
(c) quadratic equations (d) exponential equation
25. How many linear factors a quadratic equation has?
(a) 1 (b) 2
(c) 3 (d) 4
26. What is the degree of quadratic equation?
(a) 1 (b) 2
(c) 3 (d) 4
27. The number of roots of a quadratic equation is:
(a) 1 (b) 2
(c) 3 (d) 4
28. cancellation of π₯ on both sides of 5π₯2 = 30π₯ means:
(a) the loss of one root (b) no loss of any root
(c) gain of one root (d) undefined solution
29. What should be done to make the coefficient of π₯2 equal to 1, in
7π₯2 + 2π₯ β 1 = 0?
(a) multiply the equation by 7 (b) divide the equation by 7
(a) 0 (b) 1
(c) 2 (d) 3
35. If π¦ = 2π₯ and 8π¦ = 1, then π₯ = .
(a) 8 (b) 1
8
(d) β3
(d) 3
5
(c) 3
16. MULTIPLE CHOICE QUESTIONS
CHAPTER 09
CONGRUENT TRIANGLES
Choose the correct answer from the options given in each question.
1. triangle is an equiangular triangle.
(c) β (d) =
10. How many end points does a ray have?
(a) 1 (b) 2
(c) 3 (d) 4
11. Symbolically two congruent triangles ABC and PQR are written as:
(a) βABC = βPQR (b) βABC βΌ βPQR
(c) βABC β βPQR (d) βABC β βPQR
12. Which of the following is possible?
(a) S. S. S β S. S. S (b) S. A. A β S. A. A
(a) a scalene (b) an isosceles
(c) an equilateral (d) a right triangle
2. A has two end points.
(a) line (b) line segment
(c) ray (d) angle
3. Three points are said to be collinear if they lie on the same:
(a) plane (b) line
(c) interior (d) area
4. Two lines can intersect at:
(a) one point (b) two points
(c) no point (d) infinite points
5. Two lines cannot intersect each other:
(a) perpendicular (b) parallel
(c) non-parallel (d) coplanar
6. All the medians of triangle are equal in measure.
(a) a scalene (b) an isosceles
(c) an equilateral (d) a right angled
7. If two angles of a triangle are congruent then the sides opposite to them
are
(a) congruent (b) equal
(c) non congruent (d) similar
8. symbol for congruent is:
(a) β (b) N
(c) β (d) =
9. symbol for correspondence is:
(b) N
(c) H. S β H. S (d) S. A. S
13. If sum of measures of two angles is 180Β° then angles are
angles.
(a) complementary (b) supplementary
(c) equal (d) right
14. If sum of measures of two angles is 90Β° then angles are angles.
(a) complementary (b) supplementary
(c) congruent (d) acute
15. Hypotenuse is a side opposite to in right angles triangle.
(a) 30Β° (b) 60Β°
(c) 90Β° (d) 120Β°
16. In equilateral triangle each angle is of .
(a) 30Β° (b) 60Β°
(c) 90Β° (d) 180Β°
17. Corresponding sides of congruent triangles are:
(a) equal (b) different
(c) perpendicular (d) parallel
18. Median bisecting the base angle of an isosceles triangle bisects the
angle.
(a) base (b) vertical
(c) right (d) acute
19. The median bisecting the base of an isosceles triangle is to
the base.
(a) parallel (b) perpendicular
(c) collinear (d) adjacent
20. Corresponding angles of congruent triangles are:
(a) β
17. 1 c 2 b 3 b 4 a 5 b
6 c 7 a 8 c 9 a 10 a
11 c 12 d 13 b 14 a 15 c
16 b 17 a 18 b 19 b 20 a
21 b 22 c
MULTIPLE CHOICE QUESTIONS
(a) congruent (b) non- congruent
(c) unequal (d) supplementary
21. Any two medians of an triangle equal in measure.
(a) isosceles (b) equilateral
(c) acute (d) obtuse
22. Sum of all the interior angles of a triangle is:
(a) 90Β° (b) 150Β°
(c) 180Β° (d) 360Β°
CHAPTER 10
PARALLELOGRAMS AND
TRIANGLES
Choose the correct answer from the options given in each question.
1. In a parallelogram opposite sides are
(a) different (b) perpendicular
(c) congruent (d) intersecting
2. In a parallelogram opposite angles are
(a) parallel (b) congruent
(c) complementary (d) adjacent
3. Diagonals of a parallelogram each other.
(a) perpendicular (b) intersect
(c) equal to (d) parallel
4. Medians of triangle are .
(a) equal (b) concurrent
(c) congruent (d) parallel
5. Diagonal of a parallelogram divides the parallelogram into
triangles.
(a) two equal (b) two different
(c) three different (d) three equal
6. In a parallelogram show in figure, π¦0 =
(a) 115Β° (b) 90Β°
(d) 105Β°
(c) 75Β°
18. 1 c 2 b 3 b 4 b 5 a
6 c 7 d 8 b 9 c 10 b
11 a 12 a
(a) 8
(c) 2
7. In a parallelogram shown in figure, π₯0 =
(a) 115Β° (b) 90Β°
(c) 75Β° (d) 105Β°
8. In a parallelogram shown in figure, π₯0 =
(a) 55Β°
(c) 44Β° (d) 125Β°
9. In a parallelogram shown in figure, π =
(b) 10
(d) 4
10. In a βABC, ED||BC where E and D are midpoints of the sides AB and
AC respectively. Find the value of πDE.
(a) 6 cm (b) 9 cm
(c) 18 cm (d) 10 cm
11. In parallelogram, congruent parts are:
(a) opposite sides (b) diagonals
(c) opposite angles (d) opposite sides and angles
12. Alternate angles on parallel lines intersected by a transversal are
.
(a) congruent (b) non-congruent
(c) complementary (d) supplementary
(b) 5Β°
19. 1 a 2 a 3 a 4 a 5 a
6 c 7 b 8 c 9 a 10 c
11 a 12 b 13 c 14 b
MULTIPLE CHOICE QUESTIONS
CHAPTER 11
LINE BISECTORS AND
ANGLE BISECTORS
Choose the correct answer from the options given in each question.
1. Bisection means to divide into equal parts.
8. If β‘
C
Μ Μ D
Μ β is right bisector of line segment AB then πAQ =
(a) πOA (b) πOB
(c) πBQ (d) πOD
9. The right bisectors of the sides of an acute triangle intersects each other
the triangle.
(a) inside (b) outside
(c) midpoint (d) none
10. The right bisectors of the sides of a right triangle intersect each other on
the .
(a) vertex (b) midpoint
(c) hypotenuse (d) none
(a) two (b) three 11. The right bisectors of the sides of an obtuse triangle intersect each other
(c) four (d) five the triangle.
2. of line segment means to draw perpendicular which passes
through the midpoint of line segment.
(a) right bisection (b) bisection
(c) congruent (d) mid-point
3. Any point on the of a line segment is equidistant from its end
points.
(a) right bisector (b) median
(c) angle bisector (d) altitude
4. Any point equidistant from the end points of line segment is on the
_.
(a) right bisector (b) median
(c) angle bisector (d) altitude
5. The bisectors of the angles of a triangle are:
(a) concurrent (b) congruent
(c) parallel (d) none of these
6. Bisection of an angle means to draw a ray to divide the given angle into
equal parts.
(a) four (b) three
(c) two (d) five
7. If β‘
C
Μ Μ D
Μ β is right bisector of line segment AB then πOA =
(a) πOQ (b) πOB
(c) πAQ (d) πBQ
(a) outside (b) inside
(c) midpoint (d) none
12. The point of line segment through which the right bisector passes is
called its point.
(a) end (b) mid
(c) non-collinear (d) trisection
13. The point of intersection of right bisectors of sides of a triangle is
equidistant from the of triangle.
(a) sides (b) vertices
(c) centre (d) angles
14. The altitudes of a triangle are .
(a) congruent (b) concurrent
(c) equal (d) parallel
20. (b) 90Β°
MULTIPLE CHOICE QUESTIONS
CHAPTER 12
SIDES AND ANGLES OF A
TRIANGLE
Choose the correct answer from the options given in each question.
1. Which of the following sets of lengths can be lengths of the sides of a
triangle:
(a) greater (b) smaller
(c) equal (d) none
9. The distance between a line and a point on it is .
(a) zero (b) one
(c) equal (d) none
10. The difference of two sides of a triangle is the third side.
(a) greater than (b) smaller than
(c) equal to (d) congruent to
11. In a triangle, the side opposite to greater angle is .
(a) smaller (b) greater
(c) equal (d) congruent
12. In a triangle the angles opposite to congruent sides are .
(a) 2cm, 3cm, 5cm (b) 3cm, 4cm, 5cm
(c) 2cm, 4cm, 7cm (d) 1cm, 2cm, 3cm
2. Two sides of a triangle measure 10cm and 15cm. Which of the following
measure is possible for the third side
(a) 5 cm (b) 20 cm
(c) 25 cm (d) 30 cm
3. The angle opposite to the longer side is
(a) greater (b) shorter
(c) equal (d) none
4. In right angle triangle greater angle of:
(a) 60Β° (b) 30Β°
(c) 75Β° (d) 90Β°
5. In an isosceles right-angles triangle angles other than right angle are each
of:
(a) 40Β° (b) 45Β°
(c) 50Β° (d) 55Β°
6. A triangle having two congruent sides is called triangle.
(a) equilateral (b) isosceles
(c) right (d) none
(a) congruent (b) concurrent
(c) unequal (d) none
13. In a triangle, the side opposite to smaller angle is .
(a) smaller (b) greater
(c) congruent (d) concurrent
14. An exterior angle of a triangle is non-adjacent interior angle.
(a) equal to (b) smaller than
(c) greater than (d) congruent to
15. For a βABC, which of the following is true?
(a) πAB + πBC < πCA (b) πAB β πBC > πCA
(c) πAB + πBC > πCA (d) πAB + πBC π πCA
16. What is the supplement of a right angle?
(a) 60Β°
(c) 120Β° (d) 180Β°
17. The sum of the measures of two sides of a triangle is greater than
the measure of the median which bisects the third side.
(a) twice (b) thrice
(c) hypotenuse (d) angles
18. In an obtuse angled triangle, the side opposite to the obtuse angle is
7. Perpendicular to line from an angle of . than each of the other two sides.
(a) 30Β° (b) 60Β°
(c) 90Β° (d) 120Β°
8. Sum of two sides of triangle is than the third.
(a) smaller (b) longer
(c) twice (d) thrice
21. 1 b 2 b 3 a 4 d 5 b
6 b 7 c 8 a 9 a 10 b
11 b 12 a 13 a 14 c 15 c
16 b 17 a 18 b
CHAPTER 13
PRACTICAL GEOMETRY-
TRIANGLES
Choose the correct answer from the options given in each question.
1. In a right angled triangle, the square of the length of hypotenuse is equal
to the of the squares of the lengths of the other two sides.
(a) sum (b) difference
(c) zero (d) none of these
2. If the square of one side of a triangle is equal to the sum of the squares
of the other two sides then the triangle is a triangle.
(a) right angles (b) acute angled
(c) obtuse angles (d) none of these
3. Let c be the longest of the sides a, b and c of a triangle. If π2 + π2 = π2,
then the triangle is :
(a) right (b) acute
(c) obtuse (d) none of these
4. Let c be the longest of the sides a, b and c of a triangle. If π2 + π2 > π2,
then the triangle is :
(a) acute (b) right
(c) obtuse (d) none of these
5. Let c be the longest of the sides a, b and c of a triangle. If π2 + π2 < π2,
then the triangle is :
(a) acute (b) right
(c) obtuse (d) none of these
6. If 3cm and 4cm are two sides of a right angled triangle, then hypotenuse
is:
(a) 5cm (b) 3cm
(c) 4cm (d) 2cm
7. In right triangle is a side opposite to right angle.
MULTIPLE CHOICE QUESTIONS
22. 1 a 2 a 3 a 4 a 5 c
6 a 7 c 8 b 9 c 10 b
11 c 12 b 13 a 14 c 15 b
16 b
(a) base (b) perpendicular
(c) hypotenuse (d) none
8. In the figure, the value of π₯ is
(a) 6cm (b) 8cm
(c) 10cm (d) 16cm
9. In the figure, the value of π₯ is
(a) 5cm (b) 8cm
(c) 12cm (d) 18cm
10. In the figure, the value of π₯ is
(a) 2cm (b) 1cm
(c) β2cm (d) 3cm
11. In right angles triangle greater angle is .
(a) 30Β° (b) 60Β°
(c) 90Β° (d) 120Β°
12. In right angled triangle on angle is 90Β° and other two angles are
.
(a) obtuse (b) acute
(c) right (d) supplementary
13. If hypotenuse of an isosceles right angled triangle is β2 then each of
other side is:
(a) 1cm (b) 2cm
(c) 3cm (d) 4cm
14. In right angled triangle which side is the longest side?
(a) perpendicular (b) base
(c) hypotenuse (d) none of these
15. In right angled triangle, if πβ B = 90Β° then which of the following is
true?
(a) π2 + π2 = π2 (b) π2 + π2 = π2
(c) π2 + π2 = π2 (d) π2 β π2 = π2
16. In an isosceles right angled triangle two acute angles are equal to:
(a) 30Β° (b) 45Β°
(c) 60Β° (d) 90Β°
23. THEOREMS
CHAPTER 14
RELATED WITH
(a) 18cm (b) 9cm
(c) 18cm2 (d) 9cm2
8. Area of given figure is .
AREA
Choose the correct answer from the options given in each question.
1. the region enclosed by the bounding lines of a closed figure is called the
of the figure:
(a) area (b) circle
(c) boundary (d) none of these
2. Base Γ altitude =
(a) 4 cm (b) 8cm2
(c) 16cm (d) 16cm2
9. Area of given figure is .
(a) area of parallelogram (b) area of rectangular
(c) area of square (d) area of triangle
3. The union of a rectangle and its interior is called:
(a) circle region (b) rectangular region
(c) triangle region (d) none of these
4. If a is the side of a square, its area will be equal to .
(a) a square unit (b) π2 square unit
(c) π3 square unit (d) π4 square unit
5. The union of a triangle and its interior is called as:
(a) 4cm2
(c) 32cm
10. Area of given figure is .
12cm2
32cm2
(a) triangular region (b) rectangular region
(c) circle region (d) none of these
6. Altitude of a triangle means perpendicular distance to base from its
opposite .
(a) 160cm2 (b) 80cm2
(c) 80cm (d) 160cm
11. Area of triangle is .
1
A =
(a) vertex (b) side
Base Γ Heigth (b) A = Base Γ Heigth
2
(c) midpoint (d) none of these
7. Area of given figure is:
(c) A = L Γ W (d) A = L2
12. Area of square is .
(a) A =
1
Base Γ Heigth (b) A = Base Γ Heigth
2
(c) A = L Γ W (d) A = L2
13. Area of rectangle is .
(a) A =
1
Base Γ Heigth (b) A = Base Γ Heigth
2
MULTIPLE CHOICE QUESTIONS
(b)
(d)
(a)
24. 1 a 2 a 3 b 4 b 5 a
6 a 7 c 8 d 9 d 10 b
11 a 12 d 13 c 14 b 15 b
16 b 17 a 18 b
MULTIPLE CHOICE QUESTIONS
(c) A = L Γ W (d) A = L2
(a) A =
1
Base Γ Heigth (b) A = Base Γ Heigth
2
(c) A = L Γ W (d) A = L2
15. If the length and breadth of a rectangle are βaβ and βbβ then its area will
be:
(a) π + π (b) π Γ π
(c) π β π (d) π = π
16. In most cases similar figures have areas.
(a) same (b) different
(c) equal (d) congruent
17. All congruent figures have areas.
(a) same (b) different
(c) zero (d) non-congruent
18. Area of a geometrical figure is always real number.
(a) zero (b) positive
(c) negative (d) rational
PROJECTION OF A SIDE OF
A TRIANGLE
Choose the correct answer from the options given in each question.
1. A triangle having two sides congruent is called .
(a) scalene (b) right angled
(c) equilateral (d) isosceles
2. A quadrilateral having each angle equal to 90Β° is called .
(a) parallelogram (b) rectangle
(c) trapezium (d) rhombus
3. The right bisectors of the three sides of a triangle are .
(a) congruent (b) collinear
(c) concurrent (d) parallel
4. The altitudes of an isosceles triangle are congruent:
(a) two (b) three
(c) four (d) none of these
5. A point equidistant from the end points of a line segment is on its
.
(a) bisector (b) right bisector
(c) perpendicular (d) median
6. congruent triangles can be made by joining the midpoints of
the sides of a triangle.
(a) three (b) four
(c) five (d) two
7. The diagonals of a parallelogram each other.
(a) bisect (b) bisect at right angle
(c) trisect (d) none of these
8. The medians of a triangle cut each other in the ratio:
(a) 4: 1 (b) 3: 1
.
14. Area of parallelogram is CHAPTER 15
25. (c) 2: 1 (d) 1: 1
9. One angle on the base of an isosceles triangle is 30Β°. What is the measure
of its vertical angle:
(a) 30Β° (b) 60Β°
(c) 90Β° (d) 120Β°
10. If the three altitudes of a triangle are congruent then triangle is:
(a) equilateral (b) right angled
(c) isosceles (d) acute angled
11. If two medians if a triangle are congruent then the triangle will be:
(a) isosceles (b) equilateral
(c) right angled (d) acute angled
12. a line segment joining a vertex of a triangle to the midpoint of its
opposite side is called a of the triangle.
(a) altitude (b) median
(c) angle bisector (d) right bisector
13. A line segment from a vertex of triangle perpendicular to the line
containing the opposite side, is called an of the triangle:
(a) altitude (b) median
(c) angle bisector (d) right bisector
14. The point of concurrency of the three altitudes of a β is called its
.
(a) ortho-centre (b) in-centre
(c) circum-centre (d) none
15. The internal bisectors of the angles of a triangle meet at a point called
the of the triangle.
(a) in-centre (b) ortho-centre
(c) circum-centre (d) none
16. The point of concurrency of the three perpendicular bisectors of the
sides of
(a) concurrent (b) congruent
(c) mid-point (d) vertical angle
17. Point of concurrency of three medians of a triangle is called
(a) in-centre (b) ortho-centre
(c) centroid (d) circum-centre
(a) 60Β° (b) 120Β°
(c) 180Β° (d) 240Β°
19. The side opposite to right angle in right angled triangle is called
.
(a) base (b) perpendicular
(c) hypotenuse (d) altitude
20. The altitudes of a right angled triangle are concurrent at the .
(a) mid-point of hypotenuse (b) vertex of right angle
(c) mid-point of base (d) vertical
21. The triangle are said to be if they are equiangular.
(a) congruent (b) similar
(c) equal (d) scalene
22. All the right bisectors of sides of triangle are concurrent.
(a) one (b) two
(c) three (d) four
23. All the three bisectors of angles of a triangle are .
(a) congruent (b) concurrent
(c) parallel (d) perpendicular
24. All the three medians of a triangle are .
(a) congruent (b) concurrent
(c) parallel (d) perpendicular
25. All the three altitudes of a triangle are .
(a) congruent (b) concurrent
(c) parallel (d) perpendicular
26. In-centre is the point of concurrency of three of triangle.
(a) right bisectors (b) angle bisectors
(c) altitudes (d) medians
27. Circum-centre is point of concurrency of three - of triangle.
(a) right bisectors (b) angle bisectors
(c) altitudes (d) medians
28. Centroid is the point of concurrency of three of triangle.
(a) right bisectors (b) angle bisectors
(c) altitudes (d) medians
29. Three or more than three line passing through the same point are called
18. sum of interior angles of a triangle is . lines.
26. 1 d 2 b 3 c 4 a 5 b
6 b 7 a 8 c 9 d 10 a
11 a 12 b 13 a 14 a 15 a
16 a 17 c 18 c 19 c 20 b
21 b 22 c 23 b 24 b 25 b
26 b 27 a 28 d 29 b 30 b
31 d 32 b
(a) congruent (b) concurrent
(c) parallel (d) perpendicular
30. The common point of three or more than three lines is called .
(a) central point (b) point of concurrency
(c) vertex (d) centroid
31. In right angled triangle if one angle is 30Β°, then other angle will be
.
CHAPTER 16
INTRODUCTION TO
COORDINATE GEOMETRY/
(a) 15Β°
(c) 45Β°
30Β°
60Β°
ANALYTICAL GEOMETRY
32. In right angled triangle if one angle is 60Β°, then other angle will be
.
(a) 15Β° (b) 30Β°
(c) 45Β° (d) 60Β°
Choose the correct answer from the options given in each question.
1. Distance between points (0,0) and (1,1) is:
(a) 0 (b) 0
(c) β2 (d) 2
2. Distance between points (1,0) and (0,1) is:
(a) 0 (b) 0
(c) β2 (d) 2
3. Mid-point of the points (2,2) and (0,0) is:
(a) (1,1) (b) (1,0)
(c) (0,1) (d) (β1, β1)
4. Mid-point of the points (2, β2) and (β2,2) is:
(a) (2,2) (b) (β2, β2)
(c) (0,0) (d) (1,1)
5. A triangle having all sides equal is called:
(a) isosceles (b) scalene
(c) equilateral (d) none of these
6. A triangle having all sides different is called:
(a) isosceles (b) scalene
(c) equilateral (d) none of these
7. The points P, Q and R are collinear if:
(a) |PQ| + |QR| = |PR| (b) |PQ| β |QR| = |PR|
(c) |PQ| + |QR| = 0 (d) none of these
8. The distance between points P(π₯1, π¦1) and P(π₯2, π¦2) in the coordinate
plane is: π > 0
MULTIPLE CHOICE QUESTIONS
(b)
(d)
27. 1 c 2 c 3 a 4 c 5 c
6 b 7 a 8 a 9 a 10 b
11 a 12 c 13 b 14 b 15 a
16 b
(a) π = β(π₯2 β π₯1)2 + (π¦2 β π¦1)2
(b) π = β(π₯1 β π₯2)2 β (π¦1 β π¦2)2
(c) π = β(π₯2 β π₯1)2 β (π¦2 β π¦1)2
(d) π = β(π₯1 + π₯2)2 β (π¦1 + π¦2)2
9. A triangle having two sides equal is called:
(a) isosceles (b) scalene
(c) equilateral (d) none of these
10. A right triangle is that in which one of the angles has measure equal to:
(a) 80Β° (b) 90Β°
(c) 45Β° (d) 60Β°
11. In a right angled triangle ABC, where πβ ACB = 90Β°.
(a) |AB|2 = |BC|2 + |CA|2 (b) |AB|2 = |BC|2 β |CA|2
(c) |AB|2 + |BC|2 > |CA|2 (d) |AB|2 β |BC|2 > |CA|2
12. In a βABC, if |AB| = |BC| = |CA|, the triangle will be:
(a) isosceles (b) scalene
(c) equilateral (d) right-angled
13. If three or more than three points lie on the same line then points are
called
(a) non-collinear (b) collinear
(c) parallel (d) perpendicular
14. A has two end points.
(a) line (b) line segment
(c) ray (d) triangle
15. A line segment has midpoint.
(a) one (b) two
(c) three (d) four
16. Each side of triangle has collinear vertices.
(a) one (b) two
(c) three (d) four