Q.1 |
The length of the arc of a sector of a circle is 17 cm and the area of the sector is 136 cm2. Calculate the radius of the circle. |
a) |
16 cm |
b) | 15 cm |
c) | 14 cm |
d) | 13 cm |
Q.2 |
Expansion of -8(3a + 5b) yields: |
a) |
-24a - 40b |
b) | -22a + 80b |
c) | 20a - 30b |
d) | -24a - 41b |
Q.3 |
Whole number such that twice of its square added to itself gives 10? |
a) |
5 |
b) | 2 |
c) | 8 |
d) | 10 |
Q.4 |
25 can be express as the sum of first _________consecutive odd numbers. |
a) |
5 |
b) | 4 |
c) | 6 |
d) | 3 |
Q.5 |
Find the missing character from among the given alternatives: cx, fu, ir, ?, ol, ri |
a) | lo |
b) | mn |
c) | no |
d) | op |
Q.6 |
A solid cube of each side 8 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm. How many cubes have only two faces painted? |
a) |
24 |
b) | 2 |
c) | 22 |
d) | 12 |
Q.7 |
Find the value of the expression 2x3 - x2 - 3, when x = 3. |
a) |
66 |
b) | 52 |
c) | 32 |
d) | 42 |
Q.8 |
Mani bought two horses at Rs. 20000 each. He sold one horse at 15% gain. But he had to sell the second horse at a loss. If he had suffered a loss of Rs. 1800 on the transaction, find the selling price of the second price. |
a) |
Rs. 12490 |
b) | Rs. 13690 |
c) | Rs. 14560 |
d) | Rs. 15200 |
Q.9 |
The ascending order of a = 0.025, b = 0.0035, c = 0.134 and d = 0.287 is: |
a) |
a, b, c, d |
b) | b, a, c, d |
c) | b, c, d, a |
d) | c, a, b, d |
Q.10 |
Expansion of (x + 3y)(x - y) gives: |
a) |
x² + 2xy - 3y² |
b) | x + 3y - 2xy |
c) | 2y + 3x |
d) | 3y - 42x |
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Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : a | Q.3 : b | Q.4 : a | Q.5 : a | Q.6 : a | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : a