Refer `Q.95`. If the man takes `t_1 and t_2` to move to and fro journey respectively, the time taken by him to go downstream (while the man does not swim) is :

Referring to Q.95 , the time taken by the man in moving to and fro through equal distance when there is no flow of water is :

A man can swim 5 km/h in still water. If the speed of current be 3 km/h, the time taken by him to swim to a place 16 km upstream and back is :

A man can swim 5 km/h in still water if the speed of current be 3 km/h the time taken by him to swim to a palce 16 km upstream and back is:

A boy reaches the airport and finds that the escalator is not working. He walks up the stationary escalator in time t_(1) . If the remains stationary on a moving escalator then the escalator takes him up in time t_(2) . The time taken by him to walk up on the moving escalator will be :

At a metro station, a girl walks up a stationary escalator in time t_1 If she remains stationary on the escalator, then the escalator take her up in time t_2 . The time taken by her to walk up the moving escalator will be.