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If the radius of a sphere is increased by 2.5 decimeter (dm),then its surface area increases by `110 dm^2`. What is the volume(in `dm^2`) of the sphere?(take `pi = 22/7`)
यदि एक गोले का त्रिज्या 2.5 डेसीमीटर (dm) बढ़ जाता है, तो इसका सतह क्षेत्र से 10%? बढ़ जाता है। गोले का आयतन (`dm^2` में) क्या है?

A

`3/7`

B

`11/21`

C

`13/21`

D

`4/7`

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