Mathematics · 2019
JEE Main · 8 April 2019, Shift 1 · Q86
The mean and variance of seven observations are 8 and 16, respectively. If 5 of the observations are 2, 4, 10, 12, 14, then the product of the…
The mean and variance of seven observations are $\displaystyle 8$ and $\displaystyle 16$, respectively. If $\displaystyle 5$ of the observations are $\displaystyle 2$, $\displaystyle 4$, $\displaystyle 10$, $\displaystyle 12$, $\displaystyle 14$, then the product of the remaining two observations is :
Official answer
(4)
$\displaystyle 48$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.