Mathematics · 2024
JEE Main · 31 January 2024, Shift 2 · Q18
Let the mean and the variance of 6 observations a, b, 68,44,48,60 be 55 and 194, respectively. If a>b, then a+3 b is
Let the mean and the variance of $\displaystyle 6$ observations $\displaystyle a, b, 68,44,48,60$ be $\displaystyle 55$ and $\displaystyle 194$ , respectively. If $\displaystyle a>b$, then $\displaystyle a+3 b$ is
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 180$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.