Q.1 |
Whole number such that twice of its square added to itself gives 10? |
a) |
5 |
b) | 2 |
c) | 8 |
d) | 10 |
Q.2 |
Expansion of (x + 3y)(x - y) gives: |
a) |
x² + 2xy - 3y² |
b) | x + 3y - 2xy |
c) | 2y + 3x |
d) | 3y - 42x |
Q.3 |
The least four-digit number which is a perfect square, is: |
a) |
1000 |
b) | 1036 |
c) | 1024 |
d) | 1081 |
Q.4 |
How many diagonals have a regular hexagon? |
a) |
3 |
b) | 6 |
c) | 9 |
d) | 12 |
Q.5 |
The solution of which of the following equations is a fraction not an integer? |
a) |
3x + 2 = 5x + 2 |
b) | 4x - 18 = 2 |
c) | 4x - 7 = x + 2 |
d) | 5x - 9 = x + 4 |
Q.6 |
(a + 2b)² - (a + 2b)(3a - 7b) by factorisation gives: |
a) |
(a + 2b) (9b - 2a) |
b) | a - 3b + 4ab |
c) | 5b - 4a |
d) | None of these |
Q.7 |
Choose a figure which would most closely resemble the unfolded form of Figure (Z). |
a) | 1 |
b) | 2 |
c) | 3 |
d) | 4 |
Q.8 |
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 |
Q.9 |
If in the word 'DISTURBANCE', the first letter is interchanged with the last letter, the second letter is interchanged with the tenth letter and so on, which letter would come after the letter T in the newly formed word? |
a) | N |
b) | C |
c) | S |
d) | E |
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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Sample PDF of SilverZone - International Olympiad of Mathematics (IOM) PDF Sample Papers for Class 8:
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : a | Q.3 : c | Q.4 : c | Q.5 : d | Q.6 : a | Q.7 : d | Q.8 : d | Q.9 : c | Q.10 : c