Question

Mirdul jogs around a rectangular park ,100 by80,m at the rate of 9 km per.how much time will he take in jogging 6 round

Answer 1

Answer:14min25sec

Step-by-step explanation:

perimeter of park=2(l+b)=2(100+80)=2*180=360 m

distance of 1 round =360 metres

distance of 6 rounds=360*6=2160 metres

speed of mridul=9 kmph=9*1000/3600=2.5 m/s

Speed =distance/time

→time=dist./speed=2160/2.5=865 sec=14 min 25 sec