NCHMCT JEE 2011 Question Paper with solutions for online practice

Question : 7 of 198

Marks: +1, -0

The diameter of a wheel of a cycle is 70 cm. It moves slowly along a road. How far will it go in 24 complete revolutions?

Solution:

Distance covered by wheel in one complete revolution = 2 ×

{22}/7

× 35 = 220 cm
So, distance covered by wheel in 24 revolutions
= 24 × 220 = 5280 cm
= 52.80 m.

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