Quantitative Aptitude - Arithmetic Ability Questions

The simplest form of 3774/2958 is

If x + 1/x = √13, then 3x(x2-1) equal to

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?

A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm2) of all the 8 parts?

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:

The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is

Considering two opposite vertices of a square of side ‘a’ as centres, two circular arcs are drawn within the square joining the other two vertices, thus forming two sectors. What is the common area in these two sectors?

The difference between cost price and selling price is Rs 576. If the profit percentage is 16%, then what is the cost price (in Rs)?