Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?

If 27N4 is divisible by 11, then what is the value of N?

For x = 462+3, what is the value of x+22x-22+x+23x-23

If x2+1x2 = 2, then the value of x - 1x is

If a + b + c = 11 and ab + bc + ca = 17, then what is the value of a3 + b3 + c3 – 3abc?

When x2+ax+b is divided by (x-1), the remainder is 15 and when x2+bx+a is divided by (x+1), the remainder is -1, then the value of a2+b2 is

In the given figure, two squares of sides 8 cm and 20 cm are given. What is the area (in sq.cm) of the shaded part?

Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?