VITEEE 2018 Paper

The graph of the function f (x) = x - [x] for the interval (0, 7) is shown below :

It is obvious from the above graph that the function x - [x] is discontinuous at the points x = 1, 2, 3, 4, 5, 6. Therefore no. of points of discontinuity of the given function in the given interval are 6.