JEE Main 2020 — Probability Question with Solution
JEE Main 2020 (09 Jan Shift 1)
Question
In a box, there are cards, out of which are labelled as and the remaining are labelled as . Cards are drawn at random, one after the other and with replacement, till a second card is obtained. The probability that the second card appears before the third card is:
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
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This is a previous-year question from JEE Main 2020, 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.