Probability

CBSE Class 12 · Mathematics · 31 past questions

11 of 31 · show all

1. Q2 2026

   For two events A and B such that $P(A) \ne 0$ and $P(B) \ne 1$, $P(A'/B') =$

   Try it →
2. Q6 2025

   If E and F are two independent events such that $P(E) = \frac{2}{3}$, $P(F) = \frac{3}{7}$, then…

   Try it →
3. Q7 2025

   The probability distribution for the number of students being absent in a class on a Saturday is as follows…

   Try it →
4. Q11 2025

   Questions number 19 and 20 are Assertion and Reason based questions. Two statements are given, one labelled…

   Try it →
5. Q15 2024

   Let E and F be two events such that P(E) = 0·1, P(F) = 0·3, P(E $\cup$ F) = 0·4, then P(F | E) is…

   Try it →
6. Q18 2024

   Let E be an event of a sample space S of an experiment, then P(S|E) =

   Try it →
7. Q21 2023

   If $P(A \cap B) = \frac{1}{8}$ and $P(\bar{A}) = \frac{3}{4}$, then $P\left(\frac{B}{A}\right)$ is equal to…

   Try it →
8. Q24 2023

   If $P\left(\frac{A}{B}\right) = 0.3$, $P(A) = 0.4$ and $P(B) = 0.8$, then $P\left(\frac{B}{A}\right)$ is…

   Try it →
9. Q25 2023

   The probability distribution of a random variable X is given below…

   Try it →
10. Q27 2023

    If the sum of numbers obtained on throwing a pair of dice is 9, then the probability that number obtained on…

    Try it →
11. Q29 2022

    Let A and B be two events such that $P(A)=\frac{5}{8}$, $P(B)=\frac{1}{2}$ and $P(A/B)=\frac{3}{4}$. Find the…

    Try it →