JEE Main 2026 — Probability Question with Solution
JEE Main 2026 (24 January Shift 1)
Question
From a lot containing 10 defective and 90 non-defective bulbs, 8 bulbs are selected one by one with replacement. Then the probability of getting at least 7 defective bulbs is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Binomial distribution with , , .
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This is a previous-year question from JEE Main 2026, 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.