CBSE 2025 · Region 5 · Set 1 · Q9 · 1 mark
If $\displaystyle f(\mathrm{x})=\{[\mathrm{x}], \mathrm{x} \in R\}$ is the greatest integer function, then the correct statement is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle f$ is neither continuous nor differentiable at $\displaystyle \mathrm{x}=2$.
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CBSE Class 12 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.