A man rows 18 km downstream in 4 hours and returns upstream in 12 hours. Calculate the speed of the stream in km/hr.

Question

A man rows 18 km downstream in 4 hours and returns upstream in 12 hours. Calculate the speed of the stream in km/hr.

Options

A.

1

B.

1.5

C.

1.75

D.

3

s.s.c.2008speed, work and timeboats and streams

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