CBSE Class 6 Answered
The length,breadth and height of cuboidal tank are 150,120 and 110 cm respectively.The tank has 129600cm3 of water on it.100 porous rocks each having dimensions 20cmx10cmx10cm are placed in a tank.Calculate the rise in water level of tank,if each brick absorbs 1/10 of its own volume?
Asked by Vikas | 28 Mar, 2017, 05:57: PM
Expert Answer
Volume of tank = 150×120×110 = 1980000 cm3
Volume of each brick = 20x10x10 = 2000 cm3
Volume of 100 bricks= 200000 cm2
Absorbed water volume = 200000/10 = 20000 cm3
So, volume of water which rises
= 200000 - 20000
= 180000 cm3
height of water = 129600/150×120= 7.2 cm
rise in water
= (180000+129600)/(150 × 120) - 7.2
= 17.2 - 7.2= 10 cm
Answered by | 28 Mar, 2017, 07:18: PM
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