Teachoo Quiz

Maths Probability Class 11 MCQ and Assertion Questions

Short Quiz · Class 11 · Maths · CBSE

Preparing for CBSE

Chapter 14 Class 11 Probability | 5 questions | about 4 minutes

Practise Probability Class 11 with Teachoo's Short Quiz (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5
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Question 1 of 5
If 3 people are chosen at random, assuming each person's birth month is equally likely to be any of the 12 months, what is the probability that AT LEAST TWO of them share the same birth month?
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Question 2 of 5
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 3 of 5
A player tosses a fair coin 4 times. They win ₹\(1.00\) for each Head and lose ₹\(1.50\) for each Tail. What is the probability that the player suffers a NET LOSS after 4 tosses?
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Question 4 of 5
A circular target of radius \(R\) is inscribed inside a square wooden board of side \(2R\). A dart is thrown randomly and lands inside the square board. What is the probability that the dart lands INSIDE the circular target?
R
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Question 5 of 5
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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