This document contains 26 math questions across various topics like arithmetic, algebra, geometry and probability. Some of the questions are: Find the multiplicative inverse of 7, if the probability of winning a game is 0.723, what is the probability of losing it, for a triangle with angles of 3x, 2x+60 and 5x+40 degrees, find the smallest angle, and give one Pythagorean triplet where one number is 16.

1. ROUND 1

2. Q 1
Find the multiplicative inverse
of 7

3. Q 2
X + X - = ?

4. Q 3
Find x:
3x + 5 = 4x-7

5. Q 4
A card is drawn from a
pack of 52 cards. Find the
probability of drawing an
Ace.

6. Q 5
From 101 to 149 find the
probability of getting a
multiple of 7.

7. Q 6
ABCD is a quadrilateral
in which AB||CD. Find
x . D C
1000
800 x
A B

8. Q 7
How many sides does a
regular polygon has if each
of its interior angle is 150°?

9. Q 8
D C
O
A B
In parallelogram ABCD,
diagonals AC and BD
intersect at O. If AO=3x-7
and OC=5-x,find the
value of x.

10. Q 9
In the word “KRISHAN”
find the probability of
getting a vowel.

11. ROUND 2

12. Q 1
How many hundreds are
there is 31 × 25 × 54?

13. Q 2
123 – 103 = ?

14. Q 3
Find the greatest number of
three digits which is a
perfect square.

15. Q 4
(25% of 700) – (20% of 550) = ?

16. Q 5
322 – 342 = ?

17. Q 6
What is the cube root of
0.000001728?

18. Q 7
20 pumps can empty a
reservoir in 12 hours. In how
many hours can 45 such
pumps do the same work?

19. Q 8
If the 45 men can do a work
in 20 days. Then how many
men can do the same work
in 75 days.
;fn

20. Q 9
Sita and Riya can do a piece of
work in 9 days but Sita alone
can do it in 12 days. How long
will Riya take to finish this
work alone.

21. TIE QUESTIONS

22. Q 1
(5)–1 – (10)–1 = ?

23. Q 2
Find mean of the first
seven prime numbers.

24. Q 3
If the mean of three
observations, x + 1, x + 2, x + 6
is 9. Find x.

25. Q 4
Find the median of first five
prime numbers.

26. Q 5
What is the new median, when
36 is added to the data :
32, 34, 35, 40, 42, 44, 44 ?

27. Q 6
If the probability of winning a
game is 0.723, what is the
probability of losing it?
;fn fdlh [ksy ds thrus dh izkf;drk 0-
732 gks] rks mlds gkjus dh izkf;drk
D;k gksxh

28. Q 7
= 1
Find the value of x.
x dk eku Kkr dhft,A

29. Q 8
0.16 (5y – 2) = 0.4 (y + 1)
Find the value of y.
y dk eku Kkr dhft,A

30. Q 9
A number is as much greater
than 22.5 as it is less than 71.5
Find the number.

31. Q 10
The angles of a triangle are
(3x)°; (2x + 60)° and (5x + 40)°.
Find smallest angle.

32. Q 11
After 14 years, Barkha will be 2
times as old as he was 7 yrs.
ago. What is her present age?

33. Q 12
If the smaller of two
consecutive integers is
doubled, the result is 11 more
than the larger integer. What is
the sum of integers.

34. Q 13
Rs. 8000 are invested at 8%
simple interest p.a. In how much
time will it double itself ?

35. Q 14
By what number should 7
be multiplied to get 2 ?

36. Q 15
By what number should 7
be divided to obtain 5 ?

37. Q 16
Find x in the
given figure.
60o
A
x 80o
B C D

38. Q 17
Find ∟ ACB in
the given figure.
C
115o 105o
A B

39. Q 18
A man goes 15m due west and
then 20 m due north. How far
is he from the starting point?

40. Q 19
Raju purchased a radio for Rs. 800
and sold it to Sonu at a profit of
20%. Sonu sold it to Monu at a loss
of 10%. For how much money did
Monu buy it?

41. Q 20
Find ∟ BAC . A
x
75o 2x
B C

42. Q 21
Three coins are tossed
together. What are the total
number of possible outcomes.

43. Q 22
In a family of two children.
Find the probability of at
least one girl child.

44. Q 23
Find the value of square
root of 0.0225.

45. Q 24
5 + 7 + 9 + 11 + 13 + 15 + 17+19 = ?

46. Q 25
Give one Pythagorean
triplet in which one of the
number is 16.

47. Q 26
Find the value of (99)2