Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A spherical chocolate ball has a layer of ice-cream of uniform thickness around it. When the thickness of the ice-cream layer is 1 cm , the ice-cream melts at the rate of 
and the thickness of the ice-cream layer decreases at the rate of 
. The surface area (in 
) of the chocolate ball (without the ice-cream layer) is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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