If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream?A. 13 km/hrB. 26 km/hrC. 34 km/hrD. none of these

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pratibha

  • Apr 14th, 2006
 

speed of the stream is given by the formulae:

stream= (boat's speed in upstream - boat's speed in downstream) / 2

so, stream= (40-14)/2= 13kmph

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