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The diameter of a wheel of a car is 70 cm. The distance that it covers in making 50 revolutions is ____ m.

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Detailed Solution

The diameter of a wheel of a car is 70 cm. The distance that it covers in making 50 revolutions is 110 m.
Given the diameter of a wheel of a car is 70 cm.
Circumference of the wheel is,
=

π d

= 227 × 70 = 220 c m

The distance in 50 revolutions is,

= 220 × 50 = 11000 c m

As, 1 m = 100 cm.
So,

1 c m = 1100 m

.
Converting cm into m,

= 11000100 = 110 m

Distance covered in 50 revolutions is 110 m.

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