Given a cylindrical tank, in which situation will you find surface area and in which situation volume: To find the number of smaller tanks that can be filled with water from it.

Given a cylindrical tank, in which situation will you find surface area and in which situation volume: Number of cement bags required to plaster it.

Selvi's house has an overhead tank in the shape of a cylinder. This is filled by pumping water from a sump (an underground tank) which is in the shape of a cuboid. The sump has dimensions 1.57 m x 1.44 m x 95cm. The overhead tank has its radius 60 cm and height 95 cm. Find the height of the water left in the sump after the overhead tank has been completely filled with water front the sump which had been full. Compare the capacity of the tank with that of the sump. (Use pi = 3.14)

There are p copies each of n different books. Find the number of ways in which a nonempty selection can be made from them.

Find the number of arrangements, which can be made from the letters of the word : ALGEBRA.

The curved surface area of a cylindrical pillar is 264 m^2 and its volume is 924 m^3 . Find the diameter and the height of the pillar.

Find the number of arrangements, which can be made from the letters of the word : ALLAHABAD.