NCERT Mathematics · Class XI · Chapter 14
Probability
Previous Years' Objective Questions — Entrance Exam Series
50Questions
1999From
2023To
5Exams
24ySpan
JEE MainJEE AdvancedBITSATKVPYCBSE Board
Random Experiment & Sample SpaceEvents & Types of EventsProbability of an EventAddition TheoremMutually Exclusive EventsExhaustive EventsEqually Likely OutcomesGeometric Probability (intro)
1
Define the sample space S clearly before computing any probability.
2
Check: are events mutually exclusive? Addition theorem applies only then.
3
P(A∪B) = P(A) + P(B) − P(A∩B) — do not forget the intersection term.
4
Timer starts on Q1 — average 90s/question for this chapter.
5
MathJax renders fraction and set notation — allow a moment.
6
Review all answers before Submit Quiz.
Probability ties together Sets, Counting, and logic into one of the most practically tested chapters in JEE Main and CBSE Boards. These 50 questions from 1999–2023 cover sample spaces, event types, addition theorem, and geometric probability.
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