JEE Main · Maths · Probability
Multiplication Rule of Probability
JEE Main asked Multiplication Rule of Probability 2 times in 2 of the 108 shifts Lumi analysed, all in 2021. It belongs to Conditional Probability, in Probability (Maths). In 2021 it came in more than one shift of the same year.
Updated 2026-10-24
- Times asked
- 2
- in 2 shifts
- Years
- 1 of 8
- First asked
- 2021
- the only year
- Pattern
- Gone quiet
- across the analysed shifts
Questions on this idea a shift, by year
2017–2026. Asked in 2021. 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: 2 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 0 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: application.
- Probability of pattern in binary string
- Probability of repeated independent success
Difficulty
Every question was multiple choice.
Every question
All 2 questions
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
- 17 Mar 2021, Shift 2 · Q71Let a computer program generate only the digits 0 and 1 to form a string of binary numbers with probability of occurrence of 0 at even…MediumSingle correct
- 25 Feb 2021, Shift 1 · Q75When a missile is fired from a ship, the probability that it is intercepted is and the probability that the missile hits the…EasySingle correct
Shifts: 25 Feb 2021, Shift 1, 17 Mar 2021, 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
- Reduced Sample Space Method2× · 2021
- Bayes' Theorem with Partial String Evidenceonce · 2026
- Drawing Without Replacementonce · 2026
- Law of Total Probabilityonce · 2026
- Conditioning on a Union of Eventsonce · 2025
- 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