Quantitative Aptitude - Arithmetic Ability Questions

If the sum of a number and its reciprocal be 2, then the number is

Select the option that is different from the remaining three alternatives.

The expenses of a person increase by Rs. 50000 for every month in February and March. If his expenses in January was Rs. 50000, calculate his average expenditure (in Rs.) from January to March.

If the sum of radius and height of a solid cylinder is 20 cm and its total surface area is 880 cm then its volume is

'P' is the smallest positive integer such that every positive integer N greater than 'P' can be written as a sum of two composite numbers. Then 'P' is

Solve : (x + 2y) (2x - y)

What would be the compound interest of Rs. 25000 for 2 yrs. at 5% per annum?

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. The height of the tower is