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Discrete Random Variable Questions

Practice 2 Discrete Random Variable 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(2)

About Discrete Random Variable — practice questions, PYQs & concepts

Discrete Random Variable is a frequently-tested topic on Mathematics. ExamTest.live currently lists 2 Discrete Random Variable 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.

Discrete Random Variable weight in competitive exams

Across our Discrete Random Variable question bank, the largest sources are Mathematics (2). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 0 easy Discrete Random Variable 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.
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All Discrete Random Variable Questions(1–2 of 2)

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Q1mediummcqMathematicsMathematics Mock Test - 22026
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The mean of the probability distribution function given by the following table will be:\begin{center}\begin{tabular}{|c|c|c|c|c|c|}\hline & 1 & 2 & 3 & 4 & 5 \ \hline & 0.2 & 0.35 & 0.25 & 0.15 & 0.05 \ \hline\end{tabular}\end{center}
Q2mediummcqMathematicsMathematics Mock Test - 32026
A discrete random variable has the following probability function: The value of is:

Frequently Asked Questions

How many Discrete Random Variable questions are on ExamTest.live?▼
We have 2 Discrete Random Variable questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
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Which exams include Discrete Random Variable questions?▼
Discrete Random Variable questions are commonly asked in Mathematics. You can filter by exam using the links above.
How do I practice Discrete Random Variable 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.