1.

There is a cone of height 12 cm, out of which a smaller cone ( which is the top portion of the original cone ) with the same vertex and vertical axis is cut out. What is the ratio of the volume of the larger ( actual) cone to the remaining part ( frustum ) of the cone , if the height of the smaller cone is 9 cm ?

Answer»

3:1
9:1
2.6923611111111
16:7

Answer :C


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