# NSO Level 1- Science Olympiad (SOF) Class 10: Questions 1 of 986

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### Question

MCQ▾In making 1000 revolutions, a wheel covers 44 km. The diameter of the wheel is ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 18 m | |

b. | 15 m | |

c. | 12 m | |

d. | 14 m |

## Answer

d.

## Explanation

- The total distance travelled is 44 km
- No. of revolutions
- Now, Distance travelled in 1 revolution

- Distance travelled in 1000 revolutions

- Thus, radius of wheel and
- Diameter of wheel

- Therefore, the diameter of wheel is
**14 m**.

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