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How many bullets can be made out of a cube of lead whose edge measures 22 cm, each bullet being 2 cm in diameter?

5324
2662
1347
2541

Correct Answer: 2541

Explanation:

Number of bullets = Volume of cube / Volume of 1 bullet
= (22 x 22 x 22)/(4/3 x 22/7 x 1 x 1 x 1)
= 2541.

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