Quantitative Aptitude - Arithmetic Ability Questions

If cos 240° = x, then value of x is

Divide 3740 in three parts in such a way that half of the first part, one-third of the second part and one-sixth of the third part are equal.

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

Find the value of 'a' for which x+3x+a24 is a perfect square.

What is the slope of the line perpendicular to the line passing through the points (-5 , 1) and (-2 , 0)?

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is