Quantitative Aptitude - Arithmetic Ability Questions

The average of 10 numbers is X and one of the number is 38. If 38 is replaced with 19, then what will be the new average?

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

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

The prices of chairs and tables are in the ratio of 9 : 5. If the chairs cost Rs. 4200 more than the tables, find the price of the tables? (in Rs.)

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?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

The circumference of a circle is 88 cm. Find its radius (in cm).

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is