The ratio between the speeds of the A& B is 2:3, and therefore A takes 10 min more than the time taken by B to reach the destination. If A had walked at double the speed, he would have covered the distance in
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Answer : C.
Ratio of speed = 2:3
Ratio of time = 3:2
A takes 10 min more
3x-2x = 10 min
A time=30 min
-> covers the distance in 30 min , if its speed is x
-> He will cover the same distance in 15 min, if its speed
doubles (i.e 2x)
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