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How many spherical bullets each of 5 cm in diameter can be cast from a rectangular block of metal 11 dm x 1 m x 5 dm?

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Given that a metallic block which is rectangular of diameter 11 dm x 1 m x 5 dm 

Given that diameter of each bullet is 5cm

Volume of rectangular block should be equal sum of volumes of n spherical bullets 

Let no of bullets be ‘n’

 

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