Question

the length of a garden is 200 m and its area is 20000 square metre if a man walks at the rate of 10m per minute then how many hours will take to go round the field once along the sides

Answer 1

if it takes 10 m per minute then..
1 minute = 60 secs
therefore, 60×200= 12000
now, 12000/60
= 200 mins
next,
200/60 = approx 3.3 hrs

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