For a real number $x$, let $[ x ]$ denote the greatest integer less than or equal to $x$. Then the number of real solutions of $| 2 x - [ x ] | = 4$ is (A) 4 (B) 3 (C) 2 (D) 1 .
For a real number $x$, let $[ x ]$ denote the greatest integer less than or equal to $x$. Then the number of real solutions of $| 2 x - [ x ] | = 4$ is\\
(A) 4\\
(B) 3\\
(C) 2\\
(D) 1 .