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Consider the following statements : 1....

Consider the following statements :
1. If the height of a cylinder is doubled, the area of the curved surface is doubled.
2. If the radius of a hemispherical solid is doubled, its total surface area becomes fourfold. Which of the above statements is/are correct ?

A

1 only

B

2 only

C

both 1 and 2

D

neither 1 nor 2

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