This document contains a math quiz covering topics like real numbers, arithmetic progressions, and trigonometry. The quiz has 10 multiple choice questions testing concepts such as irrational numbers, decimal expansions of pi, properties of arithmetic and trigonometric functions, and solving equations involving trigonometric ratios.

1. MATHS
QUIZ
Snehal Bhargava
X-D

2. Real Numbers
Arithmetic Progressions
Introduction to Trigonometry

3. 1.
Which of the following has a non-terminating decimal expansion?
a) 77/210
b) 23/8
c) 17/8
d) 35/50
2.
If p, q are two consecutive natural numbers, then HCF(p, q) is a) p
b) q
c) 1
d) pq
3.
Which of the following is not an irrational number –
a) 5 - √3
b) 5 + √3
c) 4 + √2
d) 5 + √9
4. The decimal expansion of π is –
a) Terminating
c) Non Terminating Non Repeating
5.
b) Non Terminating Repeating
d) None Of These
If HCF of 60 and 168 is 12, then LCM is –
a) 480
c) 420
INDEX
b) 240
d) 840

4. 1.
2.
3.
In an AP, if d= -4, n = 7, an = 4, then a =
a) 6
c) 20
b) 7
d) 28
The sum of first five multiples of 3 is –
a) 45
c) 75
For AP, T18 – T8 –
a) d
c) 26d
b) 65
d) 90
b) 10d
d) 2d
4.
(1) + (1 + 1) + (1 + 1 + 1) + …. + (1 + 1 + 1 + … n - 1 times) =
a) n(n + 1)/2
b) n(n - 1)/2
c) n²
d) n
5.
If an AP has a=1, tn=20and Sn=399, then value of n is
a) 20
b) 32
c) 38
d) 40
INDEX

5. 1.
If cot A=12/5, then the value of (sin A + cos A)cosec A =
a) 13/5
b) 17/5
c) 14/5
d) 1
2.
If sin θ = cos θ, then θ =
a) 0
c) 30
b) 45
d) 90
Sin(60 +θ) – cos(30 -θ) =
a) 2cosθ
c) 0
b) 2sinθ
d) 1
3.
In sin3θ = cos (θ-26 ), where 3θ and (θ-26 ) are acute ∠s, then value of θ is –
a) 30
b) 29
c) 27
d) 26
4.
5.
The value of [(cos A/cot A) + sin A] is –
a) cot A
c) 2sin A
INDEX
b) 2cos A
d) sec A