I need help in maths with 2 questions

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Nxvo3210

Mathematics

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I need help fast . Q.1) A wheel has diameter of 84 cm.  Find how many complete revolution must It take to cover 792 mtrs. Q.2) A boy is cycling such that the wheels of the cycle are making 140 revolutions per minute. If diameter is 60 cm find speed of the boy cycling per hour.

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Anonymous
I was struggling with this subject, and this helped me a ton!

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