Three solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recas – McqOptions

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1.	Three solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recasted into a solid sphere. What will be the percentage decrease in the surfaceÂ area?
A.	12
B.	14
C.	16
D.	28
Answer» E.

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