A rectangular field is 72m by 58m . Keya walks around it at the rate o – InterviewSolution

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1.

A rectangular field is 72m by 58m . Keya walks around it at the rate of 3km per hour . How long will she take 3 rounds?

Answer»

Perimeter=2(72+58)=2(130)=260m

3 rounds=3*260=780m=.780Km

Speed=Distance/time3=.780/timetime=.780/3=.26hours=15.6minutes

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