A boat can go 15 km upstream and 21 km downstream in 2 hours. If the speed of the stream is 3 km/h, then the time taken (in hours) by the boat to go 21 ...
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
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 ...
The water in a river flow at the rate of 4 km per hour if the width and depth of the river are 8 M and 4 m respectively then how much water will enter ...
Find the total distance covered by boat in each upstream and downstream in 8 hours if the speed of boat in still water and speed of current is 26 km/h a...
A Motorboat takes 24 hours for travelling downstream from a point A to point B and coming back to point C, which is 1/3rd of distance between A and B. ...
A boat can cover 145 km in downstream in 5 hours and 144 km in upstream in 8 hours. Find the speed of boat in still water.
A boy can swim in water with a speed of 12 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover ...
A man can row at 4 kmph in still water. If the velocity of current is 2 kmph and it takes him 8 hour to row to a place and come back, how far is the place?
A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still wa...
