Question

A person walks at the rate of 4 km per hour. How long will he take to go round a square park 5 times, whose area is 2500 m sq

Answer 1

Area of Square Park = 2500 sq m.
Side of the park = sq rt of 2500 = 50 m.
Perimeter of the square = 4*50 = 200 m.
In round he has to travel 200 m.
So, in 5 round, he needs 5 * 200 = 1000 m to travel.
He needs 15 minutes to go 5 round of the park.


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Answer 2

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