Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

Find the perimeter (in cm) of a semicircle of radius 28 cm.

Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

What is the value of sinAtanA/(1 - cosA)?

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

Square of (7 ­- 4x) is

If x/y = 2/3, then what is the ratio of (3x + 2y) and (3x – y)?