Quantitative Aptitude - Arithmetic Ability Questions

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

For triangle ABC, find equation of median AD if co­-ordinates of points A, B and C are (2,­4), (3,0) and (5,­2) respectively?

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

Find the odd numbers/letters/numbers from the given alternatives.

Find the odd word/number/letters from the given alternatives

Find out the odd word/letters/number/number pair from the given alternatives.

To get number 40, the number 56/9 should be multiplied with

If R019 is divisible by 11, find the value of the smallest natural number R?