Q.1 |
Look at the image given below and find OP. ![]() |
a) |
5 cm |
b) | 6 cm |
c) | 7 cm |
d) | 4 cm |
Q.2 |
The least number which when divided by 35, leaves remainder of 25, when divided with 45 leaves a remainder of 35 and when divided by 55 leaves 45 as remainder, is: |
a) |
3455 |
b) | 3465 |
c) | 3475 |
d) | 10 |
Q.3 |
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.4 |
It takes Riaz 30 minutes to mark a paper. Razi only need 25 minutes to mark a paper. If they both start marking paper at 11:00 AM, What is the first time they will finish marking a paper at the same time? |
a) | 12:30 |
b) | 12:45 |
c) | 1:30 |
d) | 12:25 |
Q.5 |
If diameter of a cylinder is 5cm and volume of cylinder is 650 cm3 then height of cylinder is: |
a) |
40 cm |
b) | 25 cm |
c) | 33 cm |
d) | 45 cm |
Q.6 |
If a cuboids is 3.2 cm high, 8.9 cm long and 4.7 cm wide then total surface area is: |
a) |
160.7 cm² |
b) | 180.0 cm² |
c) | 205.7 cm² |
d) | 170.7 cm² |
Q.7 |
In a two digit number, the unit's digit exceeds the ten's digit by 2 and the product of the number and the sum of its digits is 144. Find the number. |
a) |
24 |
b) | 26 |
c) | 42 |
d) | 46 |
Q.8 |
Find the value of y if the points A(5, y), B(1, 5), C(2, 1) and D(6, 2) are the vertices of the square. |
a) |
5 |
b) | 3 |
c) | 6 |
d) | 4 |
Q.9 |
Find the mean of first five odd natural numbers. |
a) | 3 |
b) | 5 |
c) | 7 |
d) | 9 |
Q.10 |
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 |
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Sample PDF of SOF - International Mathematics Olympiad (IMO) PDF Sample Papers for Class 9:
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : a | Q.3 : c | Q.4 : c | Q.5 : c | Q.6 : d | Q.7 : a | Q.8 : c | Q.9 : b | Q.10 : d