UGC NET Averages Previous Year Questions
JRFSmart holds 18 previous-year questions on Averages from UGC NET Paper 1 (Teaching and Research Aptitude), filed under Unit 5: Mathematical Reasoning and Aptitude, drawn from 17 of the 87 exam papers in the bank (2023–2026). Each question can be practised with a full explanation and shows how often NTA has returned to the same idea.
What is asked in Averages
The questions in this topic fall under these subtopics, ordered by how many previous-year questions each has.
| Subtopic | Questions |
|---|---|
| Average age problem | 2 |
| Weighted average | 1 |
| Average after a group joins | 1 |
| Averages of standard number sets | 1 |
| Properties of the arithmetic mean | 1 |
| Correcting a misread observation | 1 |
| Building equations from averages | 1 |
| Overlapping groups | 1 |
| Mean of x and its reciprocal | 1 |
| Change in average | 1 |
| Averages of number sets | 1 |
| Average age | 1 |
NTA repeat analysis
Averages appears in 17 of 87 papers (20%), which JRFSmart rates as medium frequency.
Sample previous-year questions
Three years ago, the average age of a family of 5 members was 17 years. A baby was born, but the average age of the family is still the same today. The present age of the baby is :
The average marks of a group of 30 students in a class reduces by 2 when a good student who scored 90 marks leaves the class and a new student joins the class. Find the marks of the new student.
Match List - I with List - II. List - I (Question) | List - II (Answer) A. The average of first 50 natural numbers is : | I. 20 B. The average of all odd numbers upto 100 is : | II. 39.8 C. The mean of 1^2, 2^2, 3^2, 4^2, 5^2, 6^2 and 7^2 is : | III. 25.5 D…
The average age of a family of 5 members is 20 years. If the age of the youngest member of the family is 5 years, then what was average age of the family at the time of birth of the youngest member?
The average age of a class of 34 students and a teacher reduces by 0.5 years, if the teacher is excluded. The initial average of the class including teacher is 16 years. Find the age of the teacher.
The average test score of a class of m students is 60 and that of n students is 81. When the scores of both classes are combined, then the average is 70. In this context, which of the following statements are correct? A. (m+n)/(m-n) = 21 B. m/(m-n) = 11 C…
Which of the following are correct? A. Average of the cubes of first n natural numbers = n(n+1)^2 / 4 B. Average of n consecutive natural numbers = n(n+1) / 2 C. Average of all odd numbers from 1 to 45 = 23 D. Average of all even numbers from 1 to 45 = 23…
Arrange the following data sets in ascending order of their mean values: A. -1, 0, +1, +2, +5 B. 1.8, 5.2, 3.2, 4.8, -0.5 C. 6.8, -3.8, 4.2, 2.4, 1.6 D. -3.1, -2.8, -4.1, 1.4, 0.6 Choose the correct answer from the options given below:
Showing 8 of 18 questions, without answers. Practise the full set with options, the official answer and JRFSmart's explanations.
Practise Averages
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