Quantitative Aptitude - Arithmetic Ability Questions

If cos 135° = x, then the value of x is

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)

Abhishek marks the price of his laptop 60% above the cost price. If he gives a discount of 30% on the marked price, then what is the profit percentage?

The product of two numbers is 48. If one number equals "The number of wings of a bird plus 2 times the number of fingers on your hand divided by the number of wheels of a Tricycle". Then the other number is

In a test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

Find the Greatest Common Factor of 280 and 144.

What is 15% of 34 ?

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?