Quantitative Aptitude - Arithmetic Ability Questions

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 difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?

If 3 dozen guavas cost Rs. 90, how many guavas can be bought for Rs. 240?

If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is

All sides are congruent in a _____.

If 2+aa + 2+bb + 2+cc = 4, then the value of ab+bc+caabc is

The sum of all prime numbers between 18 and 32 is:

In the given figure, ABCD is a square, BCXYZ is a regular pentagon and ABE is an  equilateral triangle. What is the value in deg of EBZ?