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SSC CGL Tier 2 Exam 12 Jan 2017 Paper 1

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Question : 62

Total: 100

. A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7 cm. The ratio of total surface areas of the rod to the sphere is

3 : 1
1 : 3
7 : 3
3 : 7

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