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The ratio of the total surface area to the lateral surface area of a cylinder whose radius is 20 cm and height 60 cm, is (a) 2:1 (b) 3:2 (c) 4:3 (d) 5:3 |
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Answer» The ratio of the total surface area to the lateral surface area of a cylinder whose radius is 20 cm and height 60 cm, is (a) 2:1 (b) 3:2 (c) 4:3 (d) 5:3 |
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