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Solution


Q.

We convert a solid sphere into a cylinder, then which of the following statements hold true

(i) Surface area might change but volume stays the same.
(ii) Volume changes but surface area remains the same.
(iii) Volume of the sphere > volume of the cylinder
(iv) Nothing changes

Choose the correct option from the following:
1 (ii) and (iii)  
2 Only (i)  
3 (iii) and (iv)  
4 (i) and (ii)  

Ans.

(2)

When an entire object is converted from one shape to another, their volume remains the same.

∴ Volume of sphere = Volume of cylinder

Surface area may or may not change.

Therefore,

Option (b) is correct.