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The height of a cone is 40 cm. A small c...

The height of a cone is 40 cm. A small cone is cut off at the top by a plane parallel to its base. If the volume of a small cone is `1/64` of the volume of the given cone, at what height above the base is the section made?

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The height of a right circular cone is 20 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume be 1/8 of the volume of the given cone, at what height above the base is the section made?

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The height of a cone is 30 cm .A small cone is cut off at the top by a plane parallel to the base . If its volume be (1)/(27) of the volume of the given cone, at what height above the base the section has been made?

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