Let 9 distinct balls be distributed among 4 boxes, B 1 ,B 3…

Maths Probability JEE Main 2021 Single Correct MCQ

Published on: August 13, 2026

Let 9 distinct balls be distributed among 4 boxes, B 1 ,B 3 and B 4 . If the probability than B 3 contains exactly 3 balls is then k lies in the set :

{x ∈ R : |x − 3| < 1}

{x ∈ R : |x − 2| ≤ 1}

{x ∈ R : |x − 1| < 1}

{x ∈ R : |x − 5| ≤ 1}

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The correct answer is:

required probability

Which satisfies |x − 3| < 1

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