A man crosses a river in a boat. If he crosses the river in minimum time he takes 10 min with a drift 120 m . If he crosses the river taking the shortest path, he takes 12.5 min. What is the speed of the current ?

A man crosses a river in a boat. If he crosses the river in minimum ti

1.	A man crosses a river in a boat. If he crosses the river in minimum time he takes 10 min with a drift 120 m . If he crosses the river taking the shortest path, he takes 12.5 min. What is the speed of the current ?
Answer» `13 mMIN^(-1)` `12 m min^(-1)` `14 mmin^(-1)` `15 mmin ^(-1)` ANSWER :C