Let the speed of boat in still water =B and speed of stream =S B=8.5km/h, S=4.5km/h Speed of boat in upstream=B-S=4km/h Speed of boat in downstream=B+S=13km/h Let the distance =x ATQ- x/4 +x/13 =34 17x=34×52 X=104km.
_______ organization headquarter is located at Davos, Switzerland?
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Which of the following provides a definite shape to cells?
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