Question
Wed February 29, 2012 By:
 

The height of a cone is 60cm.A small cone is cutoff at the top by a plane parallel to the base and its volume is 1/64th the volume of original cone.The height from the base at which the section is made is A)15cm,B)30cm,C)45cm,D)20cm

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Wed February 29, 2012
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