A hollow sphere is melted to form small identical! hollow sp

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SSC CGL Tier-2 9-March-2018 Maths Shift-2
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MATH

44

M: +3.00/-0.00

A hollow sphere is melted to form small identical! hollow spheres. Inner and outer radius of the bigger sphere are 4 cm and 6 cm respectively. If inner and outer radii of the smaller sphere are 2 cm and 3 cm respectively, then how many smaller spheres can be formed?

[SSC CGL Tier-2 9-March-2018 Maths Shift-2]

A 4

B 6

C 81

D 12