Q.1 |
For a fixed base, if the exponent decreases by 1, the number becomes: |
a) |
1/10th of the previous number. |
b) | 10 times of the previous number. |
c) | Hundredth of the previous number. |
d) | Hundredth times of the previous number. |
Q.2 |
The median of 12, 24, 19, 17, x, 32 and 35 is x. Which of the following can be the value of x? |
a) |
16 |
b) | 18 |
c) | 21 |
d) | 27 |
Q.3 |
Find the missing character from among the given alternatives: cx, fu, ir, ?, ol, ri |
a) | lo |
b) | mn |
c) | no |
d) | op |
Q.4 |
If x: 6 = 50: 30, then the value of x is: |
a) |
20 |
b) | 30 |
c) | 10 |
d) | 50 |
Q.5 |
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.6 |
In a blueprint of a room, an architect has shown the height of the room as 33 cm. If the actual height of the room is 330 cm, then the scale used by her is: |
a) |
1: 11 |
b) | 1: 10 |
c) | 1: 100 |
d) | 1: 3 |
Q.7 |
Find the value of the expression 2x3 - x2 - 3, when x = 3. |
a) |
66 |
b) | 52 |
c) | 32 |
d) | 42 |
Q.8 |
Factorise 49x² – 36. |
a) |
(7x + 6) (7x - 6) |
b) | (7x + 6) 7x - 6 |
c) | 7x + 6 X 7x - 6 |
d) | None of these |
Q.9 |
Expansion of -8(3a + 5b) yields: |
a) |
-24a - 40b |
b) | -22a + 80b |
c) | 20a - 30b |
d) | -24a - 41b |
Q.10 |
Which of the following is not the property of a rectangle? |
a) |
a rectangle is a parallelogram in which one of the angles is a right angle |
b) | diagonals of a rectangle are equal |
c) | opposite sides of a rectangle are equal |
d) | diagonals of a rectangle bisect each other at right angle |
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Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : c | Q.3 : a | Q.4 : c | Q.5 : b | Q.6 : b | Q.7 : d | Q.8 : a | Q.9 : a | Q.10 : d