Q.1 |
Find the mean of first five odd natural numbers. |
a) | 3 |
b) | 5 |
c) | 7 |
d) | 9 |
Q.2 |
Radius of sphere is 8 cm. How many small spheres of radii 4 cm can be formed out of it? |
a) |
2 |
b) | 4 |
c) | 6 |
d) | 8 |
Q.3 |
A cone of height 4 cm and radius 8 cm is reshaped by a child to form a sphere. Find the radius of the sphere. |
a) |
1 cm |
b) | 2 cm |
c) | 3 cm |
d) | 4 cm |
Q.4 |
From a point on the ground, the angles of elevation of the bottom and top of a transmission tower fixed at the top of 20 m high building are 45⁰ and 60⁰ respectively. Find the height of the tower? |
a) |
20√3 m |
b) | 60 m |
c) | 20(√3 -1 ) m |
d) | 40√3 m |
Q.5 |
Find x and y in the following figure: |
a) |
38⁰, 52⁰ |
b) | 20⁰, 60⁰ |
c) | 52⁰, 60⁰ |
d) | None of these |
Q.6 |
Identify the identical figures from the following options. |
a) |
(1,2,5), (3,8,9), (4,6,7) |
b) | (1,2,5), (4,7,8), (5,6,9) |
c) | (1,2,5), (3,7,8), (4,6,9) |
d) | (1,3,5), (2,7,8) (4,6,9) |
Q.7 |
Find out from the four alternatives as to how the pattern would appear when the transparent sheet is folded at the dotted line. |
a) | A |
b) | B |
c) | C |
d) | D |
Q.8 |
What is the relation between me and my paternal grandfather's son-in-law? |
a) | brother |
b) | maternal uncle |
c) | maternal grandfather |
d) | paternal uncle |
Q.9 |
What is the probability of getting a total of less than 12 in the throws of two dice? |
a) | 35/36 |
b) | 21/36 |
c) | 2/6 |
d) | 3/8 |
Q.10 |
If from the well shuffled pack of cards all the aces are removed, find the probability of getting red card. |
a) | 1 |
b) | 0.5 |
c) | 1.5 |
d) | 2 |
Your Score: 0/10
Sample PDF of SilverZone - International Olympiad of Mathematics (IOM) PDF Sample Papers for Class 9:
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : d | Q.3 : d | Q.4 : c | Q.5 : c | Q.6 : c | Q.7 : b | Q.8 : d | Q.9 : a | Q.10 : b