Mathematics · 2023
JEE Main · 25 January 2023, Shift 2 · Q89
25 % of the population are smokers. A smoker has 27 times more chances to develop lung cancer than a non smoker. A person is diagnosed with lung…
$\displaystyle 25 \%$ of the population are smokers. A smoker has $\displaystyle 27$ times more chances to develop lung cancer than a non smoker. A person is diagnosed with lung cancer and the probability that this person is a smoker is $\displaystyle \frac{k}{10}$. Then the value of k is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
9
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.