MCQ
If $[x] $ denotes the greatest integer $\le x$ , then
$\mathop {Limit}\limits_{n\,\, \to \,\,\infty } $$\frac{1}{{{n^4}}}$ $\left( {\left[ {{1^3}\,x} \right]\,\, + \,\,\left[ {{2^3}\,x} \right]\,\, + \,\,......\,\, + \,\,\left[ {{n^3}\,x} \right]} \right)$ equals
- A$x/2$
- B$x/3$
- C$x/6$
- ✓$x/4$