Q.1 |
2.5 g of a solute are dissolved in 25 g of water to form a saturated solution at 298 K. Find out the solubility of the solute at this temperature: |
a) |
20 g |
b) | 10 g |
c) | 5 g |
d) | 25 g |
Q.2 |
A coin is tossed three times. What is the probability of getting two heads and one tail? |
a) |
1/2 |
b) | 3/8 |
c) | 4/9 |
d) | 3/5 |
Q.3 |
A car accelerated at 1.5 ms-2 in a straight road. How much is the increase in velocity in 4 s? |
a) |
6 ms-1 |
b) | 4 ms-1 |
c) | 3 ms-1 |
d) | 2.66 ms-1 |
Q.4 |
A test has twenty questions and the total score is 100 marks. It consists of diagrammatic questions worth 3 marks each and multiple choice questions worth 11 marks each. How many multiple choice questions are on the test? |
a) |
15 |
b) | 10 |
c) | 5 |
d) | 12 |
Q.5 |
A gaseous mixture contains oxygen and nitrogen in the ratio of 1: 4 by mass. Therefore, the ratio of their number of the molecule is: |
a) |
1:4 |
b) | 4:1 |
c) | 7:32 |
d) | 32:7 |
Q.6 |
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour? |
a) |
5 |
b) | 10 |
c) | 7.2 |
d) | 4 |
Q.7 |
Complete the following sentence. Mixture of oil and water is called _________. |
a) |
solution |
b) | compound |
c) | alloy |
d) | emulsion |
Q.8 |
When a missile is fired from a tank it gets a momentum of 2000 kg m/s. If the velocity of the missile is 50 m/s what will be its mass? |
a) |
30 kg |
b) | 40 kg |
c) | 50 kg |
d) | 60 kg |
Q.9 |
In a series 2, 6, 18, 54, …., what will be the 8th term? |
a) |
4370 |
b) | 4374 |
c) | 7443 |
d) | 7434 |
Q.10 |
'A' takes 6 days less than the time taken by 'B' to finish a piece of work. If both A and B together can finish it in 4 days, find the time taken by 'B' to finish the work. |
a) |
2 days |
b) | 12 days |
c) | 6 days |
d) | 10 days |
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Sample PDF of Unified Council - National Level Science Talent Search Examination (NSTSE) PDF Sample Papers for Class 9:
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Answers to Sample Questions from Olympiad Success:
Q.1 : b | Q.2 : b | Q.3 : a | Q.4 : c | Q.5 : c | Q.6 : c | Q.7 : d | Q.8 : b | Q.9 : b | Q.10 : b