Average is an important topic in the Quant section of exams like SSC CGL, SSC CHSL, SSC MTS, and others including banking and railway exams. In this blog, we are going to discuss some questions on average that will be useful for the candidates preparing for the competitive exams.
Average Questions for SSC Exams, Download PDF
The E-Book on average problems contains 100 questions for SSC exam aspirants, covering Quantitative Aptitude section. It is designed to help candidates practice effectively, improve speed and accuracy, and strengthen problem-solving skills. You can download it using the link below:
Practice Average Questions for SSC Exams
These questions on average are specially prepared for SSC exams like SSC CGL, SSC CHSL, SSC MTS, and others. The questions start from basic level and slowly become more challenging every five questions. Solving these will help you strengthen your concept of averages and improve your preparation for upcoming exams.
1. The average of 11 consecutive integers is 45. If the smallest and largest numbers are removed, what is the average of the remaining numbers?
2. The average of 15 numbers is 62. The average of the first 8 numbers is 55 and that of the last 8 numbers is 70. Find the 8th number.
3. The average of 24 observations is 72. Later it was found that one value 96 was wrongly recorded instead of 69 and another value 45 was omitted. What is the correct average?
4. The average of 9 consecutive even numbers is 74. If 4 is added to each number, what will be the new average?
5. The average age of 30 employees is 35 years. 5 employees leave whose average age is 42 years. What is the average age of the remaining employees?
6. A batsman has an average of 52 runs after 25 innings. In the next innings he scores 128 runs. What must be his average in the next 4 innings to make his overall average 60 after 30 innings?
7. The average of 12 numbers is 36. If each number is multiplied by 1.5, and then 6 is subtracted from each, what is the new average?
8. The average of 5 consecutive multiples of 7 is 84. What is the largest number?
9. The average of 18 numbers is 72. If 6 numbers whose average is 65 are replaced by 6 new numbers whose average is 80, what is the new average?
10. The average salary of 40 workers is ₹32,500. The average salary of 25 workers is ₹28,000. What is the average salary of the remaining workers?
11. The average of 6 numbers is 25. If one number is excluded, the average becomes 23. What is the excluded number?
12. The average of 5 consecutive odd numbers is 64. What is the product of the smallest and largest numbers?
13. The average of 10 numbers is 64. If 3 numbers whose average is 70 are removed and 3 new numbers whose average is 50 are added, what is the new average?
14. The average marks of 100 students is 55. The average of boys is 60 and that of girls is 50. If the number of boys is 40, what is the number of girls?
15. The average of 7 numbers is 30. If each number is increased by 20%, what is the increase in the average?
16. The average speed for 4 equal distances at speeds of 30 km/h, 45 km/h, 60 km/h, and 90 km/h is:
17. The average of 25 observations is 78. If each observation is divided by 3 and then 4 is added to each, what is the new average?
18. The average of 8 numbers is 90. If one number is 150, what must be the average of the remaining numbers?
19. The average income of A, B, C, and D is ₹45,000. The average income of A and B is ₹50,000 and that of C and D is ₹40,000. What is the difference between the total income of (A + B) and (C + D)?
20. The average of 16 numbers is 75. If 4 numbers whose average is 60 are removed, what is the average of the remaining numbers?
21. The average of first n natural numbers is 21. Find n.
22. The average of 14 consecutive integers is 205. What is the sum of the smallest five integers?
23. A student’s average in 6 tests is 72. If he scores 90 in the next test, what must be his average in the last 3 tests to make his overall average 80 in 10 tests?
24. The average of 12 numbers is 50. If two numbers 30 and 70 are replaced by 90 and 10 respectively, what is the new average?
25. The average of 9 numbers is 81. If one number is increased by 27, how much will the average increase?
26. The average of 5 consecutive multiples of 9 is 117. What is the smallest number?
27. The average weight of 24 persons increases by 1.8 kg when a new person joins the group. How much heavier is the new person compared to the previous average?
28. The average of 7 numbers is 63. If each number is replaced by its square, which of the following must be true?
29. The average of 4 numbers is 25. If their ratio is 1:2:3:4, what is the largest number?
30. The average of 30 numbers is 18. If 5 numbers whose average is 12 are removed and 5 new numbers whose average is 30 are added, what is the new average?
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Tips to Solve Average Questions accurately in SSC Exams
Average-based questions are common in SSC exams and can be scoring if approached with the right strategy. Here are some practical tips to improve accuracy and speed:
- Understand the basic formula: Average = (Sum of quantities) ÷ (Number of quantities). Keep this at the core of every approach.
- Use shortcuts wisely in cases like consecutive numbers or equal intervals to save time.
- Always identify what is being averaged marks, speed, weight, age and check for any hidden conditions.
- Practice reverse calculation questions where a new item is added or removed and the average changes.
- For average speed problems, never apply the simple average; use the formula: Average Speed = (2ab)/(a + b) when distance is the same.
- Read the question twice to avoid missing out on details like “odd multiples” or “consecutive even numbers.”
- Don’t round off too early during calculations wait until the final step to avoid errors.
- Revise solved examples and attempt mock questions regularly to build confidence and familiarity with patterns.
These small improvements can make a big difference in your final score, especially in Tier 1 exams where speed and accuracy both matter.
Average Problems for SSC Exams – FAQs
Ans. Average = (Sum of all values) ÷ (Number of values).
Ans. Original total = New average × New count + Removed value; divide by original count.
Ans. It equals the middle term when the number of terms is odd.
Ans. Required score = Target average × Total count − Sum of known scores.
Ans. Learn standard shortcuts, revise common patterns, and practice regularly to build familiarity.-
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