A man who can swim with a speed of  $2kh/h$ wants to cross a river $200m$ wide. If the river is flowing with a speed of $3km/h$  then in what minimum time can the man cross the river?

Correct Option - 2


Detailed Solution:

Time (minimum) taken to cross the river

$t=\frac{W}{V_{s/r}}=\frac{200\times {10}^{-3}}{2}$

$100\times {10}^{-3}h$

$=0.1h=6minutes$

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