A man can swim in still water t a rate of 4 km/hr. The width of the river is 1 km. how long will he take to cross the river straight, if the speed of the current is 3 km/hr? `10\ m in` b. `20\ m in` c. `15\ m in` d. `18\ m in`

A man can swim in still water at a speed of 5km//h . Man crosses 1 km width of river along shortest possible path in 15 minutes . What is the speed of river in km/h?

A man can swim at the rate of 5 km//h in still water. A river 1 km wide flows at the rate of 3km h^(-1) . A swimmer wishes to cross the river straight.

A man can row 6km/hr in still water.It takes him twice as long to row up as to row don the river.Find the rate of stream.

2 km wide river flowing with a rate of 5 km/hr. A man can swim in the still water with10 km/hr. He wants to cross the river along shortest path find Crossing time

A boat man can row with a speed of 10 km/hr. in still water. The river flow steadily at 5 km/hr. and the width of the river is 2 km. if the boat man cross the river with reference to minimum distance of approach then time elapsed in rowing the boat will be:-

A boat man can row with a speed of 10 km/hr. in still water. The river flow steadily at 5 km/hr. and the width of the river is 2 km. if the boat man cross the river with reference to minimum distance of approach then time elapsed in rowing the boat will be:-