Q. 4

A cylindrical tank has a height of 40 cm and a diameter of 70 cm. How many litres of water can it hold?

(1000 cu cm = 1 litre)

Answer :

Let the base radius be ‘r’ and height be ‘h’ and diameter be ‘d’

Given that d= 70cm


r = 35cm


and h = 40cm


Volume of cylinder V= Area of circle at bottom × height







But, given that





The tank can hold 154 litres of water.


Ans. 154 l


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