Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 4 times its reciprocal is 13/3. What is the fraction?

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

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?

If 5+x+5-x5+x-5-x = 3,then what is the value of x ?

If 9x2 + 16y2 = 60 and 3x + 4y = 6, then the value of xy is

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 6√3 sq cm, what is the area of the equilateral triangle?

If (x + y):(x - y) = 11:1, find value of (5x + 3y)/(x - 2y).

The price of an article is cut by 36%, to restore to its original value, the new price must be increased by