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Mean Questions

Practice 22 Mean questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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22
Total Questions
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2
Easy
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20
Medium
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0
Hard
Practice by Exam:Mathematics(11)Quantitative Aptitude(7)Quantitative Aptitude@NUM: 74(1)Chemistry(1)Quantitative Aptitude@NUM: 67(1)Mathematics and Science(1)

About Mean — practice questions, PYQs & concepts

Mean is a frequently-tested topic on Mathematics, Quantitative Aptitude, Quantitative Aptitude@NUM: 74. ExamTest.live currently lists 22 Mean questions spanning previous-year papers from 2018 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.

Mean weight in competitive exams

Across our Mean question bank, the largest sources are Mathematics (11), Quantitative Aptitude (7), Quantitative Aptitude@NUM: 74 (1), Chemistry (1) and Quantitative Aptitude@NUM: 67 (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 2 easy Mean 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 Mean Questions(1–22 of 22)

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Q1mediummcqMathematicsMathematics Mock Test - 62026
11% accuracy
The probability density function for a continuous random variable is: The mean value of is:
Q2mediummcqMathematicsMathematics Mock Test - 52026
0% accuracy
A fair die is tossed thrice. If the probabilities of zero, one, two, and three successes are respectively, find the mean of the number of successes.
Q3easymcqChemistryCompetitive Exam2026
0% accuracy
Which of the following statements is true?
Q4mediummcqMathematicsMathematics Mock Test - 22026
0% accuracy
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}
Q5mediummcqMathematicsStaff Selection Commission2026
0% accuracy
The following table shows the number of children in each house of a society.
Number of Children Number of Houses
0 7
1 9
2 20
3 3
What is the average number of children per house?
Q6mediummcqMathematicsStaff Selection Commission2026
0% accuracy
The mean of marks secured by 65 students in division A of class X is 54, 30 students of division B is 50 and that of 55 students of division C is 48. Find the mean of marks of the students of three divisions of Class X.
Q7mediummcqQuantitative AptitudeStaff Selection Commission2026
0% accuracy
The following table shows the number of children in each house of a society.Number of Children (xi​)Number of Houses (fi​)0411321735What is the average number of children per house?
Q8mediummcqQuantitative Aptitude@NUM: 74SSC CGL2026
0% accuracy
The following table shows the number of children in each house of a society.Number of ChildrenNumber of Houses0411321035What is the average number of children per house?
Q9mediummcqQuantitative AptitudeSSC CGL2026
0% accuracy
The following table shows the number of children in each house of a society.Number of Children (x)Number of Houses (f)0311021233What is the average number of children per house?
Q10mediummcqMathematicsCompetitive Exam2026
The arithmetic mean of the six numbers , , , , , and is increased by if the number is replaced by which of the following numbers?
Q11mediummcqMathematicsAIEEE2026
Let be observations such that and . Then a possible value of among the following is:
Q12mediummcqMathematicsCompetitive Exam2026
The mean of a frequency distribution is . If and , then the value of is
Q13mediummcqQuantitative AptitudeWBCS Mains2026
If , , and , then find the value of the mean .
Q14mediummcqQuantitative AptitudeCompetitive Exam2026
The mean of five observations , , , , is . The mean of the last three observations is:
Q15mediummcqQuantitative AptitudeSSC CGL2026
The mean of marks secured by 60 students in division A of class X is 64, 40 students of division B is 60 and that of 60 students of division C is 58. Find the mean of marks of the students of three divisions of Class X.
Q16mediummcqQuantitative Aptitude@NUM: 67SSC CGL2026
What is the average of the mean, median and range of the data: and ?
Q17mediummcqQuantitative AptitudeSSC CGL2026
The numbers are written in ascending order. If their median is , then what is the mean of the numbers?
Q18mediummcqQuantitative AptitudeCompetitive Exam2026
What is the value of x if the mean of 21, 26, 49 and x is 32?
Q19mediummcqMathematicsMathematics Mock Test - 32026
The mean of the numbers obtained on throwing a die having written on four faces, on three faces, on two faces and on one face is?
Q20mediummcqMathematicsAIEEE 20122026
Let be observations, and let be their arithmetic mean and be their variance.Statement 1: Variance of is .Statement 2: Arithmetic mean of is .
Q21mediummcqMathematicsAIEEE2026
The mean of the numbers is and the variance is . Then which one of the following gives possible values of and ?
Q22easymcqMathematics and ScienceUPTET Paper 2 (Maths & Science)2018
In an examination, the mean of marks scored by a class of students was calculated as . Later on, it was detected that the marks of one student was wrongly copied as instead of . Find the correct mean.

Frequently Asked Questions

How many Mean questions are on ExamTest.live?▼
We have 22 Mean questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Mean MCQs free?▼
Yes. All Mean questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Mean questions?▼
Mean questions are commonly asked in Mathematics, Quantitative Aptitude, Quantitative Aptitude@NUM: 74, Chemistry, Quantitative Aptitude@NUM: 67. You can filter by exam using the links above.
How do I practice Mean 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.