Question

a man walks from his home to town 6km away at 4km per hour and return again to his home at 12km per hour using a Tonga what is the man's average speed for the double journey

Answer 1

Answer:

Given,

distance d  =6 km

s1 =4km/h

s2 = 12km/h

t1 = 6/4

=> 1.5s

t2=6/12

=0.5s

Average speed =6×2/1.5+0.5

=> 12/2

=> 6km/ h

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@GauravSaxena01