A boat covers 48 km upstream and 72 km downstream in 12 hours, while it covers 7

Question

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 :

Options:

A . 2 kmph

B . 2.2 kmph

C . 2.5 kmph

D . 4 kmph

Answer: Option A

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