JEE Main Practice — 26 Questions

Probability contributes 2 to 3 questions in a typical JEE Main paper, drawn from conditional probability, independence, total probability, Bayes' theorem, and the random-variable/binomial topics of the JEE Corner. The 26 questions below are arranged in a rough easy → hard progression matching the exam's spread.

Self-scoring (JEE Main scheme): +4+4 for each correct answer, −1-1 for each wrong answer, 00 for skipped. Maximum 104104.

Score Reading
80+80+ exam-ready on this chapter
5555 to 7979 solid — rework the ones you missed
3030 to 5454 revisit Bayes and the binomial sections
below 3030 redo Sections 1 to 4 before drilling again

Timing target: about 2.5 minutes per question, 65 minutes for the full set. Attempt every question before reading any explanation.