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Bayes Theorem Questions

Practice 3 Bayes Theorem questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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Practice by Exam:Mathematics(3)

About Bayes' Theorem — practice questions, PYQs & concepts

Bayes' Theorem is a frequently-tested topic on Mathematics. ExamTest.live currently lists 3 Bayes' Theorem questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Bayes' Theorem weight in competitive exams

Across our Bayes' Theorem question bank, the largest sources are Mathematics (3). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Bayes' Theorem questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Bayes Theorem Questions(1–3 of 3)

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Q1mediummcqMathematicsMathematics Mock Test - 102026
15% accuracy
and are two independent witnesses in a case. The probability that will speak the truth is and the probability that will speak the truth is . If and agree on a certain statement, then the probability that the statement is true is:
Q2mediummcqMathematicsMathematics Mock Test - 12026
8% accuracy
The chances of a defective screw in three boxes A, B, and C are , , and respectively. A box is selected at random and a screw is found to be defective. Find the probability that it came from box A.
Q3mediummcqMathematicsMathematics Mock Test - 92026
0% accuracy
Urn A consists of blue and green balls while another urn B consists of blue and green balls. One ball is drawn at random from one of the urns and it is found to be blue. Determine the probability that it was drawn from urn B?

Frequently Asked Questions

How many Bayes Theorem questions are on ExamTest.live?▼
We have 3 Bayes Theorem questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Bayes Theorem MCQs free?▼
Yes. All Bayes Theorem questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Bayes Theorem questions?▼
Bayes Theorem questions are commonly asked in Mathematics. You can filter by exam using the links above.
How do I practice Bayes Theorem questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.