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A coin of dia 1 cm. is rolling on the circle of dia 24 cm, how many rounds coin needs to revolve to complete the circle?

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A coin of diameter 1 cm. is rolling on the periphery circle of diameter 24 cm, how many rounds will this coin need to revolve to complete one full big circumference?

posted Apr 3, 2017 by anonymous

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2 Answers

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I think it would be 24 rounds since 1 round of a small circle is a distance equal to its circumference, hence:

(π × 24) / (π × 1) = 24
answer Apr 7, 2017 by anonymous
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24 Nos.

answer Apr 7, 2017 by Subhash Gupta

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