Q.1 |
Which of the rational numbers 4/9, -5/6, -7/-12 and 11/-24 is the smallest? |
a) |
-5/6 |
b) | 4/9 |
c) | 11/-24 |
d) | -7/-12 |
Q.2 |
The sum of three consecutive multiples of 7 is 357. Find the smallest multiple: |
a) |
116 |
b) | 126 |
c) | 112 |
d) | 119 |
Q.3 |
Dennis the Menace is thinking of two numbers. Their greatest common factor is 6. Their least common multiple is 36. One of the numbers is 12. What is the other number? |
a) |
6 |
b) | 16 |
c) | 24 |
d) | 18 |
Q.4 |
Which of the following is the best conductor of electricity? |
a) |
Tap water |
b) | Distilled water |
c) | Sea water |
d) | Rain water |
Q.5 |
Which of the following activity does not conserve water? |
a) |
Repairing any water leakage immediately. |
b) | Using a pail instead of a hose when washing cars. |
c) | Rinsing the mouth under running tap water. |
d) | Recycling the water used for washing rice to water the plants. |
Q.6 |
The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book.
If for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be amount of royalty to be paid for these books? |
a) | Rs. 19,450 |
b) | Rs. 22,950 |
c) | Rs. 21,200 |
d) | Rs. 26,150 |
Q.7 |
Which of the following has the highest calorific value? |
a) |
Biogas |
b) | LPG |
c) | Kerosene |
d) | Petrol |
Q.8 |
The change in the focal length of an eye lens to focus the image of objects at varying distances is done by the action of ______________. |
a) |
Iris |
b) | Pupil |
c) | Retina |
d) | Ciliary muscles |
Q.9 |
Choose a figure which would most closely resemble the unfolded form of figure: |
a) |
A |
b) | B |
c) | C |
d) | D |
Q.10 |
The ratio of radii of 2 cylinders is 1: 2 and height are in the ratio 2: 3. Then find the ratio of their volumes: |
a) |
1: 6 |
b) | 1: 9 |
c) | 1: 3 |
d) | 2: 9 |
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Sample PDF of Unified Council - National Level Science Talent Search Examination (NSTSE) PDF Sample Papers for Class 8:
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Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : c | Q.3 : d | Q.4 : c | Q.5 : c | Q.6 : b | Q.7 : b | Q.8 : d | Q.9 : c | Q.10 : a