If the wheel of a bicycle makes 160 revolutions in travelling 1.8 km, – McqOptions

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1.	If the wheel of a bicycle makes 160 revolutions in travelling 1.8 km, then what is its radius (in m)?
A.	4.5/4π
B.	15/8π
C.	45/4π
D.	45/8π
Answer» E.

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