A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13 hours The speed of stream is :?

A boat covers 48 km upstream and 72 km downstream in 12 hours, while i

1.	A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13 hours The speed of stream is :?
A.	2 kmph
B.	2.2 kmph
C.	2.5 kmph
D.	4 kmph
Answer» B. 2.2 kmph

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A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 72 km upstream and 48 km downstream in 13 hours The speed of stream is :?

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