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Start learning 50% faster. Sign in nowThe correct answer is B
If the sum of upstream and downstream speed is 20 km/hr and the speed of the current is 5 km/hr. Then find time taken to cover 45 km in downward?
A boat can cover 130 km in downstream in 10 hours and 120 km in upstream in 12 hours. Find the distance travelled by the boat in still water in 4 hours.
A boatman rows 216 km upstream in 6 hours and 432 km downstream in 6 hours. How long will it take to row 324 km in still water?
Speed of a boat in still water to speed of boat in upstream is 8:5. If the boat can travel 440 km in downstream in 5 hours, then find the time taken by ...
Speed of a boat in still water is 3 times more than the speed of stream. If boat covers 135 km in downstream in 9 hours, then find the time taken by the...
The speed of a boat in still water is 8 km/hr and the speed of the stream is 2 km/hr. A man rows to a place at a distance of 30 km and comes back to the...
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 m...
A boat moves downstream at 45 km/h, which is (25/10) m/s faster than its upstream speed. If it covers (D + 24) km downstream and (D - 36) km upstream in...
A boat can cover 60 km in still water and 75 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 60 km upstre...
The speed of a boat in still water is 7 km/hr and speed of current is 4 km/hr. If time taken to cover a certain distance upstream is 22 hours, then how ...
