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HomeXAT PYQsXAT 2012 Question PaperA spherical metal of radius 10 cm is molten and made in…
XAT 2012Quantitative AbilityGeometryHARD+1 / −0.25

A spherical metal of radius 10 cm is molten and made into 1000 smaller spheres of equal sizes. In this process the surface area of the metal is increased by:

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