A boat takes two hours to travel 8 km down and 8 km up the river when the water is still. How much time will the boat take to make the same trip when the river starts flowing at 4 kmph?

A boat takes two hours to travel 8 km and back in still water. If the velocity of water is 4 km/h, the time taken for going upstream 8 km and coming back is

A boat takes two hours to travel 8 km and back in still water. If the velocity of water is 4 km/h, the time taken for going upstream 8 km and coming back is

A boat takes 2 hours to travel 8 km and back in still water lake.With water velocity of 4 kmph ,the time taken for going upstream of 8km and coming back is

A boat takes 2 hours to travel 8 km and back in still water lake.With water velocity of 4 kmph ,the time taken for going upstream of 8km and coming back is

Pratik takes 8 hours to travel 36 km downstream and return to the same spot.The speed of boat in still water is 12 km. Per hour. Find the speed of water current.

A boat take 6 hours to travel 36 km downstream and 24 km upstream. It take 9 hours to travel 48 km downstream and 40 km upstream. Find the speed of the stream and that of boat in still water.

A motorboat takes 2 hours to travel a distance of 9 km down the current and it takes 6 hours to travel the same distance against the current. What is the speed of the boat in still water in kmph?

A motor boat takes 2 hours to travel a distance of 9 km downstream and it takes 6 hours to travel the same distance against the current. The speed of the boat is still water and that of the current (in km/h) respectively are :