Mathematics · 2021
JEE Main · 27 July 2021, Shift 1 · Q75
The probability that a randomly selected 2-digit number belongs to the set { n ∈ N:(2^n -2) is a multiple of 3} is equal to:
The probability that a randomly selected $\displaystyle 2$-digit number belongs to the set $\displaystyle \{\mathrm{n} \in \mathbf{N}:(2^{\mathrm{n}}-2)$ is a multiple of $\displaystyle 3\}$ is equal to:
Official answer
(1)
$\displaystyle \frac{1}{2}$
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.