Question

The diameter of the wheel of a car is 70 centimetre. How many revulation will it make to travel 1.65km?

Answer 1

The circumference of wheel = 2πr
=2×22/7×35
= 44×5
= 220cm

It mean 220cm = 1 revolution
then, 1.65km = 1.65 × 100000/220
= 16500/22
= 750 revolution

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