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Multiple Choice Questions

A hollow sphere 39 s outer and inner radius is 10 and 6 cm respectively Find the volume of metal use...........

Quantitative Aptitude (CDS) Mensuration 3D

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A hollow sphere's outer and inner radius is 10 and 6 cm respectively. Find the volume of metal used to make the sphere?

3282.3 $m^{3}$

3200 $m^{3}$

3000 $m^{3}$

none of these

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Explanation:

Volume of outer sphere=4/3×22/7 ×100×10
=3140×4/3
Volume of inner sphere=4/3 ×3.14×36×6
Volume of metal=4/3(3140-3.14×36×6)
=3282.3 m^3

By: bhavesh kumar singh

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