The ratio of lateral surface area to the total surface area of a cylinder with base diameter 1.6 m and height 20 cm is

(a) 1 : 7

(b) 1 : 5

(c) 7 : 1

(d) 8 : 1

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Solution

The ratio of lateral surface to the total surface area of cylinder

Hence, the correct answer is choice (b).

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