a right circular cone of diameter K cm and the height 12 cm rests on the base of a right circular cylinder of radius K cm the cylinder is filled with water to a height of 12 cm . if the cone is removed from the cylinder , then find the fall in the level of water .
Kindly refer to this link for similar answer
https://www.meritnation.com/ask-answer/question/29-one-q29-in-fig-10-a-right-circular-cone-of-diamet/surface-areas-and-volumes/12005199
https://www.meritnation.com/ask-answer/question/29-one-q29-in-fig-10-a-right-circular-cone-of-diamet/surface-areas-and-volumes/12005199