Q4 of 64 Page 77

A cubical tank can hold 64,000 litres of water. Find the length of the side of the tank.

Given:

Volume of tank = 64000 litres = 64m3


Volume of cube = a3


64000 = (a)3


⇒ (a)3 = (4)3


⇒ a = 4


⇒ length of side of tank = 4m


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