Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 10000 becomes Rs 14641 when invested at compound interest at the yearly interest rate of 20% per annum. If the compounding is done half yearly, then for how many years was the sum invested?

A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is

If tanA + tanB = X, then the value of X is

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

By which least number should 5000 be divided so that it becomes a perfect square?

Select the odd number from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.