Mathematics · 2017
JEE Main · 9 April 2017, Shift 1 · Q61
The function f: N → N defined by f(x)=x-5[x/5], where N is the set of natural numbers and [x] denotes the greatest integer less than or equal to x,…
The function $\displaystyle f: \mathbf{N} \rightarrow \mathbf{N}$ defined by $\displaystyle f(x)=x-5\left[\frac{x}{5}\right]$, where N is the set of natural numbers and $\displaystyle [x]$ denotes the greatest integer less than or equal to $\displaystyle x$, is :
Official answer
No correct option: CBSE dropped this question in its final answer key.
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JEE Main 2017 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.