1. A sphere of diameter 6 cm is dropped in a right circular cylindrical vessel partly filled with water. The diameter of the cylindrical vessel is 12 cm. If the sphere is completely submerged in water, by how much will the level of water rise in the cylindrical vessel? CBSE Sample Paper 2016 Find the number of coins of 1.5 cm diameter and 0.2 cm thickness to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm. CBSE Sample Paper 2016 If the total surface area of a solid hemisphere is 462 cm, find its volume. [Take n = =] CBSE 2014, Outside Delhi (30/1), (30/2), (30/3)