Question

The ratio between the rates of travelling of a and b is 2 is to 3 and therefore a takes 10 minutes more than the time taken by rbi to reach the destination if we have worked at double the speed he would have cover the distance in what time

Answer 1

Answer:

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Answer 2

SolutionRatio of time taken = 1/2 : 1/3 = 3:2

Suppose B takes x min. Then A takes (x+10) min

Therefore x+10 / x = 3/2

2(x+10) = 3x

x = 20

Thus, A takes 30 min

So with double speed it will take 15 min