Mathematics · 2024
JEE Main · 9 April 2024, Shift 2 · Q19
If the variance of the frequency distribution is 160, then the value of c ∈ N is
If the variance of the frequency distribution
is $\displaystyle 160$ , then the value of $\displaystyle c \in \mathbb{N}$ is
| $\displaystyle x$ | $\displaystyle c$ | $\displaystyle 2 c$ | $\displaystyle 3 c$ | $\displaystyle 4 c$ | $\displaystyle 5 c$ | $\displaystyle 6 c$ |
| $\displaystyle f$ | $\displaystyle 2$ | $\displaystyle 1$ | $\displaystyle 1$ | $\displaystyle 1$ | $\displaystyle 1$ | $\displaystyle 1$ |
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 7$
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JEE Main 2024 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.