A car has tyres of diameter 28 cm. If each tyre rotates 150 times, then the distance covered by the car is ___ km.
(Use $π$ = 22/7)

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Solution

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

Distance covered in 1 rotation = $2 π r$ = 88 cm

Distance covered in 150 rotations = 88 $\times$ 150 = 13200 cm = 0.132 km

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A car has a tyre of diameter 28 cm. ___ km is covered by the car if the tyre rotates 150 times. (Use $π$ = 22/7)

A car has a tyre of diameter 28 cm. ___ m is covered by the car if the tyre rotates 150 times. (Use $π$ = 22/7)

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A car has a tyre of diameter 28 cm. ___ km is covered by the car if the tyre rotates 150 times.

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