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The wheel of a motor car makes 1000 revolutions in moving 440 m. The diameter (in metre) of the wheel is
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- 0.44
- 0.14
- 0.24
- 0.34
- 0.44
Correct Option: B
Using Rule 7,
Distance covered by wheel in one revolution
= Circumference of wheel
| = π × diameter = | ||
| 1000 |
| ⇒ | × diameter = | |||
| 7 | 1000 |
| ⇒ Diameter = | × | |||
| 1000 | 22 |
= 0.14 m
