Quantitative Aptitude - Arithmetic Ability Questions

Mr. Ibrahim borrowed Rs. 7500 at 5% per annum compound interest. The compound interest compounded annually for 2 years is

Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

If (9 - 3x) - (17x - 10) = -1, then the value of x is

Compute 33800/520/5

Which of the following numbers is not a prime number?

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

A man buys 10 oranges for Rs. 3 and sells 8 for Rs. 3. Calculate his gain percent.