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Question

A car has a tyre of diameter 28 cm.The distance covered by the car if the tyre rotates 150 times will be equal to
  1. 148 m
  2. 154 m
  3. 126 m
  4. 132 m


Solution

The correct option is D 132 m

Circumference of tyre = 2 π r = Distance travelled in each rotation

Distance covered in 1 rotation = 88 cm

Distance covered in 150 rotation = 88 × 150 = 13200 cm = 132 m

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