Mathematics · 2025
JEE Main · 28 January 2025, Shift 1 · Q8
Three defective oranges are accidently mixed with seven good ones and on looking at them, it is not possible to differentiate between them. Two…
Three defective oranges are accidently mixed with seven good ones and on looking at them, it is not possible to differentiate between them. Two oranges are drawn at random from the lot. If $\displaystyle x$ denote the number of defective oranges, then the variance of $\displaystyle x$ is
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 28$/$\displaystyle 75$
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JEE Main 2025 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.