Quantitative Aptitude - Arithmetic Ability Questions

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs 8. The sum is ______.

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

Calculate the simple interest if Rs. 1800 is invested for 10 years at a rate of 5% per annum.

A and B together can do a piece of work in 10 days. If A can do the work in 15 days, find in how many days that B alone can do the same work. Given below are the steps involved in solving the above problem. Arrange them in sequential order.

A) One day's work of B is 1/10 - 1/15

B) One day's work of A and B is 1/10 and One day's work of A is 1/15

C) B alone can do the work in 30 days

D) One day's work of B is 1/30

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

Find the value of x if 0.08x + 0.04y = 10 and 0.2(x-1) + 0.4y = 24.8