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If the radius of a sphere is increased b...

If the radius of a sphere is increased by 2 cm. Its surface area increased by `352 cm^(2)`. The radius of sphere before change is :
(use `pi = (22)/(7)`)

A

4 cm

B

5 cm

C

3 cm

D

6 cm

Text Solution

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The correct Answer is:
D
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