Mathematics · 2020
JEE Main · 8 January 2020, Shift 2 · Q69
Let A and B be two events such that the probability that exactly one of them occurs is 2/5 and the probability that A or B occurs is 1/2, then the…
Let A and B be two events such that the probability that exactly one of them occurs is $\displaystyle \frac{2}{5}$ and the probability that A or B occurs is $\displaystyle \frac{1}{2}$, then the probability of both of them occur together is :
Official answer
(3)
$\displaystyle 0.10$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.