If the radius of a sphere is increase...

If the radius of a sphere is increased by 2 cm, then its surface area increases by 352 cm2. The radius of the sphere before the increase was (a) 3 cm (b) 4 cm (c) 5 cm (d) 6 cm

A

3 cm

B

4 cm

C

5 cm

D

6 cm

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The correct Answer is:

D

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