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Black tip is a serious disorder of mango that is caused in orchards located near brick-kilns which produce gasses like CO, SO₂ and ethylene.
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 boat travels in a river where the current flows at a speed of 5 km/h. The total time taken by the boat to go from point 'P' to ...
The speed of a boat in still water is 20 km/hr. If the boat covers 120 km in upstream in 12 hours, then find the time taken by the boat to travel 150 km...
The speed of the stream is 12 km/h, and the speed of the boat in still water is 50% greater than the speed of the stream. Calcula...
A boat covers a certain distance against the stream in 9 hours 36 min and it covers the same distance along the stream in 8 hours. What is the ratio of ...
The speed of the boat and the speed of the stream is 15km/hr and 3km/hr individually. The boat travel for a period of 3 hours upstream and 4 hours downs...
A man swims downstream 60 km and upstream 36 km, taking 12 hr each time. Find the man’s rate in still water?
The speed of the boat in still water is 10 km/hr and the speed of the stream is 5 km/hr. A boat goes 75 km downstream with its usual speed but at the ti...
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...
Boat ‘A’ can cover 120 km in still water in 10 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 4:5 and the sp...