Quantitative Aptitude - Arithmetic Ability Questions

If(x + y)2 = xy + 1 and x3 – y3 = 1, then what is the value of x – y?

If A is 40% more than B, then B is how much percent less than A?

Calculate the value of 55-5, if the value of √5 = 2.236.

The four sides of a quadrilateral are in the ratio of 2:3:4:5 and its perimeter is 280m. The length of the longest side is

At 22% discount the selling price of a refrigerator is Rs 26000, what is the selling price if the discount is 40%?

In the figure, a circle touches quadrilateral ABCD. If AB = 2x + 3, BC = 3x - 1, CD = x + 6 and DA = x + 4, then what is the value of x?

A solid has 12 vertices and 30 edges. How many faces does it have?

What should be the missing digit so that the number 347_547 becomes exactly divisible by 11?