500 men took a dip in a tank of 80m long and 50m broad. If a man displaces 4m2 water,what is the rise. In the level of water ?
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Level of water in the tank = h
Now.,
The amount of water rises in the tank = displacement of water taken by 500persons.
80*50*h = 500*4
4000h = 2000
H = 2000/4000 m
1/2m = 100/2cm = 50cm
50*10mm = 500mm
Thus,the rise of level of water in the tank is 500mm.
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