Q.1 |
What is the difference between the 2 digits if the difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36? |
a) |
7 |
b) | 5 |
c) | 6 |
d) | 4 |
Q.2 |
'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 |
Q.3 |
Which cell organelles reduces the number of other organelles? |
a) |
Oxysome |
b) | Mitochondria |
c) | Lysosome |
d) | None of these |
Q.4 |
An earth satellite is moing round the earth in a circular orbit. For such a satellite, which of the following statements is wrong? |
a) |
It is a freely falling body. |
b) | It is moving with a constant speed. |
c) | Its acceleration is zero. |
d) | Its angular momentum about earth remains constant. |
Q.5 |
Find the missing number in the series: |
a) |
120 |
b) | 160 |
c) | 192 |
d) | 240 |
Q.6 |
If one gram of S contains x atoms, atoms in one gram O will be ________. |
a) |
x |
b) | 2x |
c) | 3x |
d) | x/2 |
Q.7 |
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.8 |
Choose the wrong statement: |
a) |
1 mole means 6.02 x 1023 particles. |
b) | Molar mass is the mass of one molecule. |
c) | Molar mass is the mass of one mole of a substance. |
d) | Molar mass is molecular mass expressed in grams. |
Q.9 |
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.10 |
Jaundice causing viruses reside in: |
a) |
stomach |
b) | liver |
c) | pancreas |
d) | all of theses |
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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 : d | Q.2 : b | Q.3 : c | Q.4 : c | Q.5 : c | Q.6 : d | Q.7 : a | Q.8 : b | Q.9 : c | Q.10 : b