Mahesh rows to the place 80 km away and backÂ in 20 hours. He finds that he canÂ row 8 km downstream in the same time as 4 km upstream. The speed of the boat inÂ stillwater is

Mahesh rows to the place 80 km away and backÂ in 20 hours. He finds

1.	Mahesh rows to the place 80 km away and backÂ in 20 hours. He finds that he canÂ row 8 km downstream in the same time as 4 km upstream. The speed of the boat inÂ stillwater is
A.	9 kmph
B.	7 kmph
C.	2 kmph
D.	5 kmph
Answer» B. 7 kmph

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