The correct answer is E
A boy can swim a certain distance downstream in 3 hours and return in 5 hours. If the rate of stream is 6 kmph then what is the speed of boy in still wa...
A Boy can swim 12 km/hr in still water. If the velocity of the stream is 6 km/hr, the time taken by him to swim a place 28 km upstream and back is
A boat, whose speed in still water is 25% more than the speed of the current, covers 315 km downstream in _____ hours. The speed of the boat in still w...
A boat goes 25 km in upstream in 5 hours and takes 4 hours to complete a distance of 36 km in downstream. Find the speed of boat in still water.
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 u...
Speed of a boat in still water to speed of boat in upstream is 8: 7. If the boat can travel 450 km in downstream in 10 hours, then find the time taken b...
The total time taken by a boat to cover (d+30) km in downstream and (d-60) km in upstream is (t+3) hours. The speed of stream is one fourth of the speed...
The ratio of the speed of boat ‘A’ in still water, the speed of boat ‘B’ in still water and the speed of the current is 11:5:2, respectively. If...
The speed of a boat in downstream and upstream is 30 km/hr and 22 km/hr, respectively. Find the approximate time taken by the boa...
A man rows upstream 18 km and downstream 30 km taking 6 hours each. Find the man’s speed in still water.