Quantitative Aptitude - Arithmetic Ability Questions

In figure 'O' is the centre of a circle. The area of sector OAPB is 5/18. of the area of the circle find 'x'.

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).

A line cuts the x­axis at the point (­3,0) and the y­axis at the point (0,6). What is the equation of the line?

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

In the given figure, P  is the center of the circle. If QS = PR, then what is the ratio of angles RSP to the TPR ?