JEE Main · Maths · Probability
Conditioning on a Union of Events
JEE Main asked Conditioning on a Union of Events once in the 108 shifts Lumi analysed, on 8 Apr 2025, Shift 2. It belongs to Conditional Probability, in Probability (Maths).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2025
- the only year
- Pattern
- New since 2024
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2025. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Maths questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 1 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Single correct is the usual form. Skill tested: calculation.
- Conditional probability given union with complement
Difficulty
The question was multiple choice.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 8 Apr 2025, Shift 2.
Same topic
Other ideas in Conditional Probability
Conditional Probability has 18 ideas JEE Main has asked; 5 of them came up in more than one question. The 12 most asked are below.
- Independence Criterion5× · 2024
- Conditional Probability Definition5× · 2022
- Conditional Probability in Infinite Games3× · 2024
- Multiplication Rule of Probability2× · 2021
- Reduced Sample Space Method2× · 2021
- Bayes' Theorem with Partial String Evidenceonce · 2026
- Drawing Without Replacementonce · 2026
- Law of Total Probabilityonce · 2026
- Memoryless Property in Discrete Trialsonce · 2024
- Conditional Probability with De Morgan's Lawsonce · 2022
- Conditional Probability in Infinite Gamesonce · 2021
- Conditioning on Dice Sumsonce · 2021