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The radii of two circular ends of frustum shaped bucket are 14 cm and 7 cm. Height of the bucket is 30 cm. How many litres of water it can hold? (1 litre = 1000 cm3 )

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Given: Radii (r1 ) = 14 cm, and (r2 ) = 7 cm, height (h) = 30 cm 

To find: Amount of water the bucket can hold.

Volume of frustum = 1/3πh (r12  + r22 + r1 × r2 )

∴ The bucket can hold 10.78 litres of water.

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