The average length of the sides of ∆ABC is 12. What is the perimeter at ∆ABC?
Which number replaces the question mark?
If xy+yx= 6, the value of x3y3+y3x3is-
If the nth terms of an arithmetic progression is 4n+1, then the common difference is-
If x > 2 and x < 3 then which of the following is positive?
(1) (x - 2)(x - 3)
(II) (2 - x)(x - 3)
(III) (2 - x)(3 - x)