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A cow s tethered in the middle of a field with a 14feet long rope.If the cow grazes 100 sq feet per day, then approximately what time will be taken by the cow to graze the whole field?

616
716
816
516

Correct Answer: 616

Explanation:

area of the field grazed = (22/7) * 14 * 14 = 616 sq feet

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