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Two cylinders, A and B, are given. The radius of cylinder B is twice that of cylinder A and the height of cylinder B is half that of cylinder A. Find the ratio of the curved surface area of A to the curved surface area of B. Also find the ratio of the volume of A to the volume of B.

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Let cylinder A have radius r and height h; cylinder B has radius 2r and height h/2. Curved surface area ratio is 2πrh : 2π(2r)(h/2) = 1 : 1. Volume ratio is πr²h : π(2r)²(h/2) = 1 : 2.

CBSE Class 9 Ganita Manjari part 2 Chapter 14 Solutions
Class 9 Ganita Manjari Part 2 Math of Space Surface Area and Volume Question Answer

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