The radii of two cones are in the ratio 2:1, their volumes are equal. Find the ratio of their heights. (A) 1:8 (B) 1:4 (C)… Read More

# Tag Archives: QA – Placement Quizzes-Mensuration 3D

The volumes of two sphere are in the ratio of 64:27. The ratio of their surface areas is: (A) 1:2 (B) 2:3 (C) 9:16 (D)… Read More

If three metallic spheres of radii 6 cm, 8 cm and 10 cm are melted to form a single sphere, the diameter of the new… Read More

A solid piece of iron of dimensions 49 * 33 * 24 cm³ is molded into a sphere. The radius of the sphere is: (A)… Read More

A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered into the water until it is completely… Read More

A solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm. The… Read More

A hollow sphere of internal and external diameters 4 cm and 8 cm respectively is melted into a cone of base diameter 8 cm. The… Read More

A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surfaces will be: (A) 1:2… Read More

A metallic hemisphere is melted and recast in the shape of a cone with the same base radius (R) as that of the hemisphere. If… Read More

A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is… Read More