The curved surface area of a cylindrical pillar is 264 m2 and its volume is 92

Question

The curved surface area of a cylindrical pillar is 264 m² and its volume is 924 m³. Find the ratio of its diameter to its height.

Options:

A . 3 : 7

B . 7 : 3

C . 6 : 7

D . 7 : 6

Answer: Option B

r²h = 924 r = 924 x 2 = 7 m. 2 rh 264 264

And, 2 rh = 264 h = 264 x 7 x 1 x 1 = 6m. 22 2 7

Required ratio = 2r = 14 = 7 : 3. h 6

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