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A boy can swim in still water at 1m//s. ...

A boy can swim in still water at `1m//s`. He swims across a river flowing at `0.6m//s` which is `336 m` wide. If the travels in shortest possible time, then what time he takes to cross the river?

A

`250s`

B

`420s`

C

`340s`

D

`336s`

Text Solution

Verified by Experts

The correct Answer is:
D

Time to cross river
`T=336/1=336 sec`
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