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Maths Probability Class 11 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 11 · Maths · CBSE

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Chapter 14 Class 11 Probability | 10 questions | about 8 minutes

Practise Probability Class 11 with Teachoo's 10 Question MCQ (including Assertion) (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
Two fair dice are thrown simultaneously. What is the probability that the sum of the numbers appearing on the top faces is at least \(10\)?
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Question 2 of 10
Out of \(100\) students in Class XI, two sections of \(40\) and \(60\) students are formed. If you and your friend are among the \(100\) students, what is the probability that you both enter DIFFERENT sections?
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Question 3 of 10
The probability that a student passes Exam A is \(0.8\) and Exam B is \(0.7\). The probability of passing at least one exam is \(0.95\). What is the probability of passing BOTH examinations?
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Question 4 of 10
An experiment consists of tossing three fair coins once. How many simple (elementary) events are contained in the sample space \(S\)?
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Question 5 of 10
Three distinct numbers are chosen simultaneously at random from \(\{1, 2, 3, \dots, 20\}\). What is the probability that their sum is an ODD number?
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Question 6 of 10
An electronic system operates successfully if at least one of its two independent components \(A\) or \(B\) functions. The failure probability of component \(A\) is \(0.10\) and component \(B\) is \(0.20\). What is the probability that the system operates SUCCESSFULLY?
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Question 7 of 10
If \(P(A) = 0.54\), \(P(B) = 0.69\), and \(P(A \cap B) = 0.35\), what is the probability of the event 'neither \(A\) nor \(B\)'?
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Question 8 of 10
A committee of \(4\) persons is to be formed at random from \(5\) men and \(4\) women. What is the probability that the committee contains AT LEAST \(2\) women?
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Question 9 of 10
When two fair dice are thrown, what is the probability that the product of the numbers obtained on them is an EVEN number?
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Question 10 of 10
Assertion (A): The probability of the complementary event 'not \(A\)' is given by \(P(A') = 1 - P(A)\).
Reason (R): An event \(A\) and its complement \(A'\) are mutually exclusive and exhaustive events over the sample space.
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This 10 Question MCQ (including Assertion) covers Probability Class 11 for Class 11 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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