Multipleleeduestions(MCQs)curved surface of a cylindrical pillar is264 – InterviewSolution

1.	Multipleleeduestions(MCQs)curved surface of a cylindrical pillar is264 m2 and its volume is 924 m3. The diameterof the pillar is(a) 5 m(c) 10 m(b) 9 m(d) 14 m
Answer» Given : CSA of cylinder = 264 m² and volume of cylinder = 924 m³CSA of cylinder = 2πrh264 = 222/7rhrh = (2647)/44rh = 1848/44rh = 42h = 42/r ......(1)Now,volume of cylinder =πr²hPutting the value of h = 42/r in the below, we get924 = 22/7r²42/r924r = 9247r = 7 mSo, Radius is 7 m and the diameter will be 7*2 = 14 m.And the height of the cylinder = 42/7 = 6 m

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