Question

A person walks at the rate of 4 km/hr. how long will he take to go round a square park 5 times. whose area is 2500m

Answer 1

A person walks at the rate of 4Km /hr. Time he will gotten to go round of square park of area 2500 m 5 times.
Perimeter of a square park =√2500
=50
.:Perimeter of a square park is 50 m.
Time he will take to go round park 5 times.
=speed of walking 5 time=4000 m/3600 sec
= (10 m / 9 sec)5
=50 m and 45 sec
.:50m and 45 sec