Q.1 |
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.2 |
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.3 |
If x: 6 = 50: 30, then the value of x is: |
a) |
20 |
b) | 30 |
c) | 10 |
d) | 50 |
Q.4 |
Find the value of the expression 2x3 - x2 - 3, when x = 3. |
a) |
66 |
b) | 52 |
c) | 32 |
d) | 42 |
Q.5 |
The least four-digit number which is a perfect square, is: |
a) |
1000 |
b) | 1036 |
c) | 1024 |
d) | 1081 |
Q.6 |
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.7 |
Which of the following statements is always true: |
a) | A square number cannot be the sum of two other square numbers |
b) | A number that has 5 in the units place can never be a perfect square |
c) | A number that leaves a remainder of 3 when divided by 4 cannot be a perfect square |
d) | A number that has 7 in the units place may be a perfect square |
Q.8 |
How many non-square numbers lie between 112 and 122? |
a) |
9 |
b) | 10 |
c) | 8 |
d) | 11 |
Q.9 |
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.10 |
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 |
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Sample PDF of Humming Bird - Humming Bird Mathematics Olympiad (HMO) PDF Sample Papers for Class 8:
Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : b | Q.3 : c | Q.4 : d | Q.5 : c | Q.6 : d | Q.7 : c | Q.8 : c | Q.9 : a | Q.10 : a