The set of values of x for which the inequality `[x]^2-5[x]+6<=0` (where [.] denote the greatest integral function) hold good is?

The set of values of a for which the inequality, x^2 + ax + a^2 + 6a < 0 is satisfied for all x belongs (1, 2) lies in the interval:

The set of values of a for which the inequality, x^2 + ax + a^2 + 6a < 0 is satisfied for all x belongs (1, 2) lies in the interval:

The set of values of a for which the inequality, x^2 + ax + a^2 + 6a < 0 is satisfied for all x in (1, 2) lies in the interval:

The set of values of a for which the inequality, x^2 + ax + a^2 + 6a < 0 is satisfied for all x belongs (1, 2) lies in the interval:

The set of values of x for which the inequality |x-1|+|x+1| lt 4 always holds true is :

The set of values of 'a' for which the inequality x^(2)-(a+2)x-(a+3)<0 is satisfied by atleast one positive real x,

The set of values of x for which the inequality |x-1|+|x+1|lt 4 always holds true, is