Practice Boats and streams Questions and Answers

• Nobita can row from a point A against a current for 30 minutes and then come back in favour of the current for the next 30 minutes and comes to the point B...
• What is the speed of boat in still water? Statement I: It takes the boat thrice as much time to row up than as to row down the same distance in the river...
• A boat goes 200 km downstream in 50 hours, and 90 km upstream in 30 hours. The speed of the stream is 
• Two Places are 162 km apart. Two boats starts from both Places at same time towards each other. If one boat is going downstream and other one is going upst...
• The respective ratio between the time taken by a boat to travel the same distance downstream in stream A and that in stream B is 7 : 5. The speed of the bo...
• A man rows upstream 36 km and downstream 51 km taking 3 hours each. Find the man’s speed in still water.         
• The Speed of a boat in still water is 14 km/hr and the speed of the current is 4km/hr. It takes a total of 8.5 hours to row upstream from Point A to B and ...
• Motor boat covers a certain distance downstream in a river in 20 hours. It covers the same distance upstream in 30 hours. If the speed of the water is 12 k...
• A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long as long to row down the river. The rate of stream is:
• The speed of a boat in still water is 10 kmph. It covers a distance of 60 km downstream in 5 hrs. The speed (in kmph) of the stream is
• A man rows to a place 221 km away and comes back to the starting point. If the speed of the stream is 2 km/hr and the speed of the boat in still water is 1...
• A man rows upstream 18 km and downstream 30 km taking 6 hours each. Find the man’s speed in still water.           
• The speed of a boat in still water is 32km/hr and the speed of the current is 8km/hr. It takes a total of 15hours to row to upstream from Point A to B and ...
• A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
• A boat makes a journey from point P to point Q and return back in 6 hr 40 min. One way it travels with the stream and on the return it travel against the s...
• Megha got 38% of the maximum marks in an examination and failed by 6 marks. In the same examination Teena got 42% of the total marks which is 14 marks more...
• A man swims downstream 49 km and upstream 35 km, taking 7 hr each time. What is the velocity of current?   
• A man swims downstream 60 km and upstream 36 km, taking 12 hr each time. Find the man’s rate in still water?   
• A man can row 16 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the speed of the man against the current.
• A man rows upstream 10 km and downstream 15 km taking 5 hours each. Find the speed of current.       ...
• A man rows upstream 10 km and downstream 15 km taking 5 hours each. Find the man’s speed in still water.       &nb...
• A boat goes 240 km downstream in 12 hours, and 160 km upstream in 16 hours. The speed of the stream is  
• A man can row his boat with the stream at 42 km/h and against the stream in 7 km/hours. The man’s rate is
• A man can row at a speed of 64 km/h in still water to a certain upstream point and back to the starting point in a river which flows at 8 km/h. Find his av...
• A man can row his boat with the stream at 14 km/h and against the stream in 8 km/hours. Find the rate of the stream.
• A man’s speed with the current is 50 km/hr and the speed of the current is 5 km/hr. The man’s speed against the current is: ...
• If a man rows at the rate of 14 kmph in still water and his rate against the current is 5 kmph, then the man’s rate along the current is:   ...
• If a man rows at the rate of 25 kmph in still water and his rate against the current is 5.5 kmph, then the manrsquo;s rate along the current is: ...
• If a man rows at the rate of 17 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream.  &nbs...
• If a man rows at the rate of 19 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream.         �...
• Ratio of still water speeds of three boats is 3:4:5. The first boat travels downstream, the second and third boats travel upstream. They travel in streams ...
• A, B and C started a business by investing in the ratio 1/5 : 1/4 : 2/6. After 6 months C withdrew 1/4 of his investment. If after 1 year from start of bus...
• Distance between a point of A and point B in a river is 32 km and the flow of the stream is from A to B. If the speed of the boat is 10 km/h and speed of t...
• A man can row at a speed of 20 km/hr in still water to a certain upstream point and back to the starting point in a river which flows at 5 km/hr. Find his ...
• If a boat travels 18 km more in downstream than in upstream  in 3 hours and if the speed of the Boat in still water is 20 kmph.  Find the distance travel...
• A boat takes 28 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream is...
• A boat can travel 4.2km upstream in 14min. If the ratio of the speed of the boat in still water to the speed of the stream is 7:1. How much time will the b...
• If a boat travels 35 km more in downstream than in upstream in 5 hr and if the speed of the boat in still water is 25 km/hr, then find the distance travell...
• The speed of a boat is that of the current of water is 35:6. The boat goes along with the current in 5 hours 10 minutes. Approximately at what time it will...
• The speed of a boat is that of the current of water is 40:3. The boat goes along with the current in 3 hours 8 minutes. It will come back in