JEE Main 2024 — Probability Question with Solution
From: JEE Main 2024 (Online) 8th April Morning Shift
Question
Three balls are drawn at random from a bag containing 5 blue and 4 yellow balls. Let the random variables and respectively denote the number of blue and yellow balls. If and are the means of and respectively, then is equal to ___________.
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Show full solutionCorrect answer: 17
Correct answer
17
Step-by-step explanation
| 3 | 2 | 1 | 0 | |
|---|---|---|---|---|
| 0 | 1 | 2 | 3 |
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This is a previous-year question from JEE Main 2024, covering the Probability chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.