Q56 / 150 · MHT CET 2021 (22 Sep Shift 2) · Mathematics

If $f(x)=[8 x]-3$, where $[x]$ is greatest integer function of $x$, then $\mathrm{f}(\pi)=$

  • A
    21
  • B
    25
  • C
    23
  • Correct answer
    D
    22

Solution

$f(x)=[8 x]-3$ $\therefore \mathrm{f}(\pi)=[8(3.14)]-3=[25.12]-3=25-3=22$

Hence, the correct answer is option: 'D'.

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