Amar walks round a 72m x 56m rectangular field at the rate 3 km/hour. How much time will he take two rounds of this field?
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circumference of the rectangular field=2*(72+56)=2*124=248m
speed of Amar=3 km/hr= 3*1000/60*60 m/sec
circumference= 248 m
time for one round= circumference/speed
=(248*60*60)/(1000*3)
=297.6 sec
time for two rounds= 2*297.6 sec=595.2 secs
=595.2/60 mins=9.92 mins
speed of Amar=3 km/hr= 3*1000/60*60 m/sec
circumference= 248 m
time for one round= circumference/speed
=(248*60*60)/(1000*3)
=297.6 sec
time for two rounds= 2*297.6 sec=595.2 secs
=595.2/60 mins=9.92 mins
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