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If a wheel has diameter 42cm, then how f...

If a wheel has diameter 42cm, then how far does the wheel go (in meters) in 12 revolutions?(Take `pi=22/7`)
यदि किसी पहिये का व्यास 42 सेमी है, तो 12 चक्करो में पहिया कितनी दुरी (मीटर में) तय करेगा ? (मानिए `pi=22/7`)

A

17.64

B

15.84

C

23.27

D

21.45

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