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The ratio of curved surface area of a right circular cylinder to the t

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| The ratio of curved surface area of a right circular cylinder to the total area of its two bases is 2 : 1. If the total surface area of cylinder is 23100 cm2, then what is the volume (in cm3. of cylinder?

A. 247200

B. 269500

C. 312500

D. 341800

Right Answer is: B

SOLUTION

Curved Surface Area of cylinder = 2πrh
Surface Area of two bases = 2πr2 

h = 2r 
2πr(r+h) = 23100
2×(22/7)×r(r+2r) = 23100
3r2 = 23100×7/44 
r = 35
Required Area = πr2h
= (22/7)×35×35×70 
= 269500

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    1. The ratio of curved surface area of a right circular cylinder to the t

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