Question 2. The volumes of a cylinder and a cone are in the ration 3 : 1 . Find their diameters and then compare them when their heights are equal

Question 3. A square of side 3 cm is cut off from each corner of a rectangular sheet of length 24 cm and breadth 18 cm and the remaining sheet is folded to form an open rectangular box. The surface area of the box is

Question 4. The perpendiculars, drawn from the vertices to the opposite sides of a triangle, meet at the point whose name is ?

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