Question
How many spherical bullets can be made out of a lead cylinder 28cm high
and with radius 6 cm, each bullet being 1.5 cm in diameter ?
How many spherical bullets can be made out of a lead cylinder 28cm high
and with radius 6 cm, each bullet being 1.5 cm in diameter ?
Answer: Option A
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Volume of cylinder = (22/7 x 6 x 6 x 28 ) cm3
Volume of bullet = ( (9*22/7)/16) cm3
Number of bullet = (Volume of cylinder)/( Volume of each bullet)
= [(36 x 28)*22/7 x 16] /(9*22/7) = 1792.
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