JEE Main Maths · Probability
Theorem of Total Probability
Theorem of Total Probability (Probability) was asked 2 times in 2 JEE Main shifts, 2020–2026, out of the 42 shifts Lumi analysed.
- Times asked
- 2
- in 2 shifts
- Years
- 2020–2026
- Usual format
- Single correct
- Calculation
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Total probability with biased coin
- Bayes posterior with box selection
Difficulty
Easy 1Medium 1Hard 0
Where it sits
Chapter: Probability. Topic: Bayes' Theorem, 8 questions over 4 ideas.
Other repeat ideas in this topic
Every time it came
All 2 questions
Newest first, each with its options and official answer.
- 6 Apr 2026, Shift 1 · Q10A bag contains coins N fair coins, and one coin with 'Head' on both sides. A coin is selected at random and tossed.…EasySingle correct
- 2 Sep 2020, Shift 1 · Q68Box I contains 30 cards numbered 1 to 30 and Box II contains 20 cards numbered 31 to 50. A box is selected at random and a card is drawn…MediumSingle correct