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Get access to the detailed solutions to the previous years questions asked in IIFT exam
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.