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If the wheel of a bicycle takes 160 roun...

If the wheel of a bicycle takes 160 rounds to cover a distance of 1.8 km, then find its radius (in m ).
यदि किसी साइकिल का पहिया 1.8 km की दूरी तय करने में 160 चक्कर लगता है, तो उसकी त्रिज्या (m में) क्या है?

A

`45/(8 pi)`

B

`4.5/(4 pi)`

C

`15/(8 pi)`

D

`45/(4 pi)`

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