Arithmetic Ability
Area

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Q.

A man runs round a circular field of radius 50m at the speed of 12 km/hr. What is the time taken by the man to take twenty rounds of the field?

View Answer

Correct choice: A

Explanation:

speed = 12 km/h = 12×518=103m/s distance covered = 20×2×227×50=440007m time taken = distance /speed = 440007×310sec=4400×37×160min=2207min
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