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How many spherical bullets can be made o...

How many spherical bullets can be made out of a solid cube of lead whose edge measures 44cm , each bullet being 4cm in diameter.
OR
A circus tent is cylinderical upto a height of 3m and conical above it. The diameter of the base is 105m and the slant height of th conial part is 53m, find the total canvas used in making the tent.

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2541
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