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Q 1740756613.     Consider the following statements.
l. 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 statement(s) is/are correct?
CDS 2015 Paper-2
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)