Iift 2008 Question 59
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IIFT 2008
The cylinder, hemisphere and cone stand on the same base and have the same height. Let the radius of the three solids be r and the
height be .
Height of the hemisphere, h = r (Radius)
Curved surface area of the cylinder = 2 x π x r x r = 2 x π x r2
Curved surface area of the hemisphere = 2 x π x r2
Curved surface area of the cone = π x r2 x √2
Ratio = √2:√2:1
As the answer is not among the given options, option D is the right answer.