Question
How many lead shots each 3 min in diameter can be made from a cuboid of dimensions 9 cm x 11 cm x 12 cm ?
Answer: Option D
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Volume of each shot = `[ 4/3 pi xx (0.3/2)^3] cm^3`
= `(4/3 xx 22/7 xx 27/8000) cm^3 = 99/7000 cm^3`
`:.` Number of lead shots = `( 9 xx 11 xx 12 xx 7000/99) = 84000`
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