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UPSC 2015 CDS II Math Paper
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© examsnet.com
Question : 79
Total: 100
How many spherical bullets each of 4 cm in diameter can be made out of a cube of lead whose edge is 44 cm ?
[2015 CDS-II]
2541
2551
2561
2571
Validate
Solution:
Let the number of spherical bullets made be n.
∴
n
=
Volume of the cube
Volume of each spherical bullet
=
44
3
4
3
π
×
(
4
2
)
3
=
2541
© examsnet.com
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