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A right circular cone and a right cir...

A right circular cone and a right circular cylinder have equal base and equal height. If the radius of the base and the height are in the ratio 5 : 12, then the ratio of the total surface area of the cylinder to that of the cone is (a) 3 : 1      (b) 13 : 9       (c) 17 : 9       (d) 34 : 9

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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