JEE Main 2022 — Probability Question with Solution
From: JEE Main 2022 (Online) 28th June Morning Shift
Question
The probability, that in a randomly selected 3-digit number at least two digits are odd, is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
At least two digits are odd = exactly two digits are odd + exactly there 3 digits
are odd
For exactly three digits are odd
For exactly two digits odd :
If 0 is used then
If 0 is not used then :
Required Probability
For exactly three digits are odd
For exactly two digits odd :
If 0 is used then
If 0 is not used then :
Required Probability
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This is a previous-year question from JEE Main 2022, 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.