Quantitative Aptitude - Arithmetic Ability Questions

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

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?

Of the 5 numbers whose average is 76, the first is 3/7 times the sum of other 4. The first number is

If cosπ/4c - tanπ/4c = x, then x is

If 2x - 3(2x - 2) > x - 1 < 2 + 2x; then x can take which of the following values?

If the shopkeeper sells an item at Rs 960 which is marked as Rs 1200, then what is the discount he is offering?

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x - y = -1 and 3x - 2y = 0?