A motor boat covers a certain distance downstream in a river in 3 hours. It covers the same distance upstream in 3 hours and half. If the speed of the water is 1.5 km/h then the speed of the boat in still water is:,
A motor boat covers a certain distance downstream in a river in 3 hours. It covers the same distance upstream in 3 hours and half. If the speed of the water is 1.5 km/h then the speed of the boat in still water is:,
A man rows to a place 48 km distinct and come back in 14 hrs. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
A man rows to a place 48 km distinct and come back in 14 hrs. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
A boats downstream at the rate of 1 km in 15/2 minutes and upstream at the rate of 5 km an hour, What is the speed of the boat in the still water?
A boats downstream at the rate of 1 km in 15/2 minutes and upstream at the rate of 5 km an hour, What is the speed of the boat in the still water?
The speed of a stream is 3 km/hr and the speed of a man in still water is 5 km/hr. the time taken by the man to swim 26 km downstream is :
The speed of a stream is 3 km/hr and the speed of a man in still water is 5 km/hr. the time taken by the man to swim 26 km downstream is :
A boat can travel with a speed of 13 km/hr in still water.if the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream
A boat can travel with a speed of 13 km/hr in still water.if the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream
A man rows a boat 18 kilometers in 4 hours downstream and returns upstream in 12 hours. The speed of the stream (in km per hour) is :
A man rows a boat 18 kilometers in 4 hours downstream and returns upstream in 12 hours. The speed of the stream (in km per hour) is :
In a fixed time, a boy swims double the distance along the current that he swim against the current. If the speed of the speed current is 3 km/ hr, the speed of the boys in still water is :
In a fixed time, a boy swims double the distance along the current that he swim against the current. If the speed of the speed current is 3 km/ hr, the speed of the boys in still water is :
A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is
A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is
A boat goes 6 km an hour in still water, it takes thrice as much time in going the same distance against the current comparison to direction of current. The speed of the current (in km/hour) is
A boat goes 6 km an hour in still water, it takes thrice as much time in going the same distance against the current comparison to direction of current. The speed of the current (in km/hour) is
The speed of a boat along and against the current are 12 km/hr and 8 km/hr respectively .then the speed of the current in km/hr is :
The speed of a boat along and against the current are 12 km/hr and 8 km/hr respectively .then the speed of the current in km/hr is :
A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hr, the time taken by the man to swim the same distance upstream is :
A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hr, the time taken by the man to swim the same distance upstream is :
Speed of a boat is 5 km per hour in still water and the speed of the stream is 3 km per hour. If the boat takes 3 hours to go to a place and come back, the distance of the place is :
Speed of a boat is 5 km per hour in still water and the speed of the stream is 3 km per hour. If the boat takes 3 hours to go to a place and come back, the distance of the place is :
A boat running rows downstream covers a distance of 20 km in 2 hrs while it covers the same distance upstream in 5 hrs. Then speed of the boat in still water is
A boat running rows downstream covers a distance of 20 km in 2 hrs while it covers the same distance upstream in 5 hrs. Then speed of the boat in still water is
A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is:
A man rows upstream 36 km and downstream 48 km taking 6 hours each time. The speed of the current is:
A man rows down a river 15 km in 3 hrs. with the stream and returns in 15/2 , hrs. The rate at which he rows in still water is:
A man rows down a river 15 km in 3 hrs. with the stream and returns in 15/2 , hrs. The rate at which he rows in still water is:
A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of water current are respectively
A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of water current are respectively
A person can row 15/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is :
A person can row 15/2 km an hour in still water and he finds that it takes him twice as long to row up as to row down the river. The speed of the stream is :
A person can row a distance of one km upstream in ten minutes and downstream in four minutes. What is the speed of the stream ?
A person can row a distance of one km upstream in ten minutes and downstream in four minutes. What is the speed of the stream ?
A man rows boat - 40 km upstream in 8 hours and a distance of 36 km. downstream in 6 hours, Then speed of stream is :
A man rows boat - 40 km upstream in 8 hours and a distance of 36 km. downstream in 6 hours, Then speed of stream is :
If a boat goes 100 km down-stream in 10 hours and 75 km upstream in 15 hours, then the speed of the stream is :
If a boat goes 100 km down-stream in 10 hours and 75 km upstream in 15 hours, then the speed of the stream is :