Quantitative Aptitude - Arithmetic Ability Questions

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)

If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.

In an army selection process, the ratio of selected to unselected was 6:1. If 90 less had applied and 30 less selected, the ratio of selected to unselected would have been 8:1. How many candidates had applied for the process?

If one-third of a number is 45, then what will be the 45% of that number?

If the radius of a circle is increased by 16%, its area increases by

If X+Y=3,XY=2, find the value of X3-Y3