A boat moves upstream with 12km/hr and downstream with 16 km/hr what is the speed of current and speed of boat in still water?
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let the speed of boat=x
speed of current=y
speed of boat in upstream= x-y
speed of boat in downstream=x+y
A/Q, x-y=12
and x+y=16
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now solve the equations by elimination method...
speed of current=y
speed of boat in upstream= x-y
speed of boat in downstream=x+y
A/Q, x-y=12
and x+y=16
..
..
now solve the equations by elimination method...
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