Quantitative Aptitude - Arithmetic Ability Questions

If cos -225° = x, then the value of x is

In the following question, select the odd word pair from the given alternatives.

In the given figure, the angle bisectors of B and C of an isosceles triangle intersect at point O. Find the angle BOC (in degree), when ∠ABC = ∠ACB = 75°.

If the product of two numbers is 2522 and their LCM is 97 then their HCF is

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 16% per annum is Rs 320. What is the value of given sum (in Rs)?

The perimeter and the breadth of a rectangle are 44 cm and 10 cm respectively. Find its area (in cm2).

Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is

If the standard deviation of a population is 6.5, what would be the population variance?