Q.1 |
In a two-digit number, the unit's digit is 2 more than that of the ten's digit. The sum of the digits is 27 less than the number. Find the product of the digits of the number. |
a) |
8 |
b) | 15 |
c) | 24 |
d) | 35 |
Q.2 |
Find the missing character from among the given alternatives: |
a) |
75 |
b) | 20 |
c) | 25 |
d) | 26 |
Q.3 |
Expansion of (x + 3y)(x - y) gives: |
a) |
x² + 2xy - 3y² |
b) | x + 3y - 2xy |
c) | 2y + 3x |
d) | 3y - 42x |
Q.4 |
Find the value of the expression 2x3 - x2 - 3, when x = 3. |
a) |
66 |
b) | 52 |
c) | 32 |
d) | 42 |
Q.5 |
What is the mean of all the odd numbers greater than 10 and less than 30? |
a) |
18.5 |
b) | 19 |
c) | 19.5 |
d) | 20 |
Q.6 |
How many diagonals have a regular hexagon? |
a) |
3 |
b) | 6 |
c) | 9 |
d) | 12 |
Q.7 |
Factorise 49x² – 36. |
a) |
(7x + 6) (7x - 6) |
b) | (7x + 6) 7x - 6 |
c) | 7x + 6 X 7x - 6 |
d) | None of these |
Q.8 |
A geometric representation showing the relationship between a whole and its parts is a: |
a) |
Pie Chart |
b) | Histogram |
c) | Bar Graph |
d) | Pictograph |
Q.9 |
What will be the length of third side of a right angled triangle whose hypotenuse is 5cm and one of the side is 3 cm? |
a) |
2 |
b) | 3 |
c) | 4 |
d) | 5 |
Q.10 |
Raju has travelled for 4 h at 60 kmph and 6 h at 40 kmph. What is the average speed of Raju for the entire journey (in kmph)? |
a) |
56 |
b) | 50 |
c) | 48 |
d) | 45 |
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : d | Q.3 : a | Q.4 : d | Q.5 : d | Q.6 : c | Q.7 : a | Q.8 : a | Q.9 : c | Q.10 : c