Mathematics · 2020
JEE Main · 6 September 2020, Shift 1 · Q69
Out of 11 consecutive natural numbers if three numbers are selected at random (without repetition), then the probability that they are in A.P. with…
Out of $\displaystyle 11$ consecutive natural numbers if three numbers are selected at random (without repetition), then the probability that they are in A.P. with positive common difference, is :
Official answer
(2)
$\displaystyle \frac{5}{33}$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.