a rectangular field is 92 m by 78 m ajay walks round it at the rate of 3 km per hour what time will he take in 2 rounds
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Step-by-step explanation:
perimeter of rectangular field=2(92+78)
=2*170
time =2*2*170/3*10/36
=4*170*36/10*3
=816 sec
=13.6min
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