Quantitative Aptitude - Arithmetic Ability Questions

If (5x – y)/(5x + y) = 3/7, then what is the value of (4x2 + y2 – 4xy)/(9x2 + 16y2 + 24xy) ?

If x - y = -6 and x + y = 16, then x2- y2 is?

There is a three digit number. The digit at the tenth place is 3. If the place of all the digits are replaced with each other symmetrically about the tens position,then the new number obtained is 396 more than the original three digit number. The sum of the digits at unit & hundredth place is 14. Find out the original number?

The length of the diagonal and the breadth of a rectangle is 26 cm and 10 cm respectively. Calculate its area (in cm2).

Coefficient of x2 in (x + 9)(6 -­ 4x) is

If (x+1/x) = 5, then the value of 5xx2+5x+1?

If a certain amount is fully distributed among A, B & C in such a way that A receives 1/2 of the amount, B receives 1/3 of the amount and C receives ₹ 1200, then how much money would A receive

Which of the following numbers will have an irrational square root?