Teachoo Quiz

Maths Probability Class 12 MCQ and Assertion Questions

Short Quiz · Class 12 · Maths · CBSE

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Chapter 13 Class 12 Probability | 5 questions | about 4 minutes

Practise Probability Class 12 with Teachoo's Short Quiz (Class 12 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5

Question 1 of 5

NCERT Exemplar

If \(P(A\cap B)=7/10\) and \(P(B)=17/20\), then \(P(A\mid B)\) equals

A \(14/17\) B \(17/20\) C \(7/8\) D \(1/8\)

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Question 2 of 5

CBSE Board Exam 2024

Let E and F be two events such that \(\mathrm{P}(\mathrm{E})=0 \cdot 1, \mathrm{P}(\mathrm{F})=0 \cdot 3, \mathrm{P}(\mathrm{E} \cup \mathrm{F})=0 \cdot 4\), then \(P(F \mid E)\) is :

A 0.6 B 0.4 C 0.5 D 0

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Question 3 of 5

A circular wheel with numbers 1 to 20 on its surface is rolled twice. What is the probability of getting two 13's ?

A \(\frac{1}{20}\) B \(\frac{1}{40}\) C \(\frac{1}{400}\) D \(\frac{1}{200}\)

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Question 4 of 5

NCERT Exemplar

Let \(X\) be a discrete random variable with the probability distribution shown below. Then \(E(X)\) is equal to

\(X\)	\(30\)	\(10\)	\(-10\)
\(P(X)\)	\(1/5\)	\(3/10\)	\(1/2\)

A \(6\) B \(4\) C \(3\) D \(-5\)

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Question 5 of 5

CBSE Board Exam 2026

If E and F are two independent events such that \(\mathrm{P}(\mathrm{E})=\frac{3}{10}, \mathrm{P}(\mathrm{E} \cup \mathrm{F})=\frac{1}{2}\), then \(\mathrm{P}(\mathrm{E} \mid \mathrm{F})-\mathrm{P}(\mathrm{F} \mid \mathrm{E})\) is equal to :

A \(\frac{2}{7}\) B \(\frac{3}{35}\) C \(\frac{1}{70}\) D \(\frac{1}{7}\)

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