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A boat goes 2 km upstream and 3 km downs...

A boat goes 2 km upstream and 3 km downstream in 20 minutes. It goes 7 km upstream and 2 km downstream in 53 minutes. What is the speed (in km/h) of the boat in still water ?

A

`75//7`

B

`120//7`

C

`135//7`

D

`150//7`

Text Solution

Verified by Experts

The correct Answer is:
C
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