speed of a boat in standing water is 10 kmph and the speed of the stream is 2

Question

speed of a boat in standing water is 10 kmph and the speed of the stream is 2 kmph. a man rows to a place at a distance of 120 km and comes back to the starting point. the total time taken by him is:

Options:

A . 20

B . 24

C . 25

D . 50

Answer: Option A
Explanation :

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