Quantitative Aptitude - Arithmetic Ability Questions

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 6 cm, then what is the area (in sq.cm) of an equilateral triangle whose side is equal to the bigger diagonal of the rhombus?

If  x=2+32-3, then what is the value of x+1/x ?

Which of the following numbers is not a prime number?

What is the reflection of the point (5, -2) in the line x = -1?

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

If a + b = 10 and ab- 13 = -ba - 11, then what is the value of 3ab + 4a2 + 5b2 ?

select the odd word/letters/number/number pair from the given alternatives.

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