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The ratio of the volume of the cylinder ...

The ratio of the volume of the cylinder to that of a cone having same heights is 27:36. If the sum of the radii of Cylinder and cone is 45 cm, then what is the area of rectangle whose sides are equal to the radii of cylinder and cone?

A

A)450 `cm^(2)`

B

B)360 `cm^(2)`

C

C)480 `cm^(2)`

D

D)540 `cm^(2)`

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The correct Answer is:
A
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