Q.1 |
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.2 |
Total surface area of cylinder is 151 cm². If its radius is 4 cm, find its height. |
a) |
1 cm |
b) | 2 cm |
c) | 3 cm |
d) | 4 cm |
Q.3 |
From the top of a light house 60⁰ metre high, with its base at the sea level, the angle of depression of a boat is 30⁰. The distance of the boat from the foot of the light-house is: |
a) |
60√3 metres |
b) | 60/√3 metres |
c) | 60 metres |
d) | 30√2 metres |
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 |
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.6 |
Find x and y in the following figure: |
a) |
38⁰, 52⁰ |
b) | 20⁰, 60⁰ |
c) | 52⁰, 60⁰ |
d) | None of these |
Q.7 |
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.8 |
Identify the identical figures from the following options. |
a) |
(1,7,9), (2,5,6), (3,4,8) |
b) | (1,5,9), (2,6,7), (3,4,8) |
c) | (1,7,8), (2,5,6), (3,4,9) |
d) | (1,2,9), (5,6,7), 3,4,8 |
Q.9 |
Find the mean of first five odd natural numbers. |
a) | 3 |
b) | 5 |
c) | 7 |
d) | 9 |
Q.10 |
The LCM of two number is 495 and their HCF is 5. If the sum of the number is 100, then find the difference of the number. |
a) |
10 |
b) | 46 |
c) | 70 |
d) | 90 |
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : b | Q.3 : a | Q.4 : c | Q.5 : d | Q.6 : c | Q.7 : d | Q.8 : a | Q.9 : b | Q.10 : a