Quantitative Aptitude – Geometry – Mensuration – A right circular cone of height 12 ft

Slot -1 – Quantitative Aptitude – Geometry – Mensuration – A right circular cone of height 12 ft

A right circular cone, of height 12 ft, stands on its base which has diameter 8 ft. The tip of the cone is cut off with a plane which is parallel to the base and 9 ft from the base. With π = 22/7, the volume, in cubic ft, of the remaining part of the cone is (TITA)?

Answer: 198

Solution:

Volume of remaining part ( A’B’BA) = 1/3 *22/7 { 4^2 * 12 – 1^2 *3 } = 22/21 *189 = 198

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