A man takes `3 h` to cover a certain distance along the flow and takes `6h` to cover the same distance opposite to flow. In how much time, he will cross this distance in still water.

A motorboat coverse a distance between two points in 4h along the flow and in 8h opposite to the flow. In how much time, distance can be covered in still water?

A motorboat covers a given distance in 6h moving downstream on a river. It covers the same distance in 10h moving upstream. The time it takes to cover the same distance in still water is

A motorboat covers a given distance in 6h moving downstream on a river. It covers the same distance in 10h moving upstream. The time it takes to cover the same distance in still water is

A boat takes 4 hrs to travel certain distance in a river in down stream and it takes 6 hrs to travel the same distance in upstream. Then the time taken by the boat to travel the same distance in still water is

A boat takes 4 hrs to travel certain distance in a river in down stream and it takes 6 hrs to travel the same distance in upstream. Then the time taken by the boat to travel the same distance in still water is