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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 3 · Q7
A relation R defined on a set of human beings as R ={( x, y ): x is 5 cm shorter than y } is:
A relation $\displaystyle \mathrm{R}$ defined on a set of human beings as $\displaystyle \mathrm{R}=\{(\mathrm{x}, \mathrm{y}): \mathrm{x}$ is $\displaystyle 5$ cm shorter than y$\displaystyle \}$ is :
Official answer
(D)
neither transitive, nor symmetric, nor reflexive
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.