Probability
Class 12 Probability — conditional probability, multiplication theorem, Bayes' theorem, random variables, mean and variance. Solved examples and MCQ tests for CBSE and ISC.
Study by topic — one focused page each
Conditional Probability & Multiplication Rule
Probability often changes the moment you learn that some related event has already happened. Conditional probability is the probability that event occ…
Start this topic → 2Total Probability & Bayes’ Theorem
Many experiments happen in two stages: first some hidden "cause" is selected, then an observable event follows. Two results let us move between the fo…
Start this topic → 3Random Variables & Probability Distributions
A random variable is a rule that assigns a real number to each outcome of a random experiment for example, the number of heads in two tosses, or the n…
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 20 min
IMO / Olympiad Practice
Olympiad level • 20 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key