Speed of boat in still water is 10kmph.If it travels 24km downstream,16km upstream in the same amount of time, what is the speed of the stream?(a)3kmph(b)3.5kmph(c)2kmph

another way of doing...a bit lengthy. speed in still water=0.5(speed up+speed down)=10 0.5((24/t)+(16/t)=10. therefore time t=2hrs rate of stream=0.5(speed upstream-speed down) rate of stream=0.5((24/2)-(16/2))=2kmph.

the time taken by the boat in donw stream= the time taken by the boat in up stream i.e., (24/(10+x))=(16/(10-x)) where x in the speed of the water=2kmph.

## Speed of boat in still water is 10kmph.If it travels 24km downstream,16km upstream in the same amount of time, what is the speed of the stream?(a)3kmph(b)3.5kmph(c)2kmph

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