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The United Nations Environment Programme (UNEP), established in 1972 following the United Nations Conference on the Human Environment, is headquartered in Nairobi, Kenya. UNEP is the leading global environmental authority that sets the global environmental agenda and promotes the coherent implementation of the environmental dimension of sustainable development within the United Nations system.
The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
Speed of a boat in still water is 10 kmph and speed of stream is 7 kmph. A man rows to a place at a distance of 51 km and come back to starting point. T...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 48 minutes to cover 24 km in downstream, then find th...
A boat moves in a river where the ratio of the speed of the stream to the downstream speed of the boat is 1:6. If it takes the boat a total of 20 hours ...
A boat can cover 72 km upstream and 180 km downstream in 12 hours. Speed of the stream is how much less than the speed of the boat in still water if the...
A person rows 300 km against the current in 5 hours and travels 540 km along the current in 6 hours. How much time will he take to row 660 km in still w...
A man takes a total time of 5 hours to cover 36 km downstream and 18 km upstream, while the man takes the same time to cover 54 km downstream and 12 km ...
Boat ‘A’ can cover 160 km in still water in 8 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 4:3 and the spe...
A boat can cover 185 km in downstream in 5 hours and 120 km in upstream in 12 hours. Find the speed of boat in still water.
