Quantitative Aptitude - Arithmetic Ability Questions

If x = a cosθ+ b sinθ and y = b cosθ- a sinθ, then x2 + y2 is equal to

If in a triangle ABC, Sin A = Cos B then the value of Cos C is

In a triangle ABC, OB and OC are the bisectors of angles ∠ B and ∠C respectively. ∠BAC = 60°. Then the angle ∠BOC will be

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)?

What is the reflection of the point (-1 , 5) in the line x = 1?

If 9x - 6(3 - x) = 12, then the value of x is

Which of the following equations has the sum of its roots as 11?

What is the reflection of the point (6, -1) in the line y = 2?