A man can row a boat with 4 kmph in still water. If he is crossing a river where the current is 8kmph. The time taken to cross the river in shortest path is (k)/(sqrt(3)) hr. where 'k' is ( width of the river is 8km)

A man can row a boat with 4 kmph in still water. If he is crossing a r

1.	A man can row a boat with 4 kmph in still water. If he is crossing a river where the current is 8kmph. The time taken to cross the river in shortest path is (k)/(sqrt(3)) hr. where 'k' is ( width of the river is 8km)
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