Average Questions for BOB Office Assistant Exam 2025

Average Questions in the BOB Office Assistant Exam 2025 are an important part of the Quantitative Aptitude section. These questions test your basic understanding of averages and your ability to calculate them quickly. You may see questions based on the average of numbers, weights, ages, or marks. With regular practice and a clear understanding of the formula, you can solve these questions with ease and score well in the exam.

Average Questions for BOB Office Assistant Exam 2025

Below are some average questions for you to practice. These will help you understand different types of problems that can be asked in the BOB Office Assistant 2025 Exam and strengthen your preparation. Try to solve them step by step using the average formula and improve your speed and accuracy.

1. Find the average of 12, 16, 20, and 24.
   A) 18
   B) 20
   C) 22
   D) 19
2. The average of five numbers is 36. Find their total sum.
   A) 160
   B) 180
   C) 190
   D) 200
3. If the average of 3, 7, and x is 9, find the value of x.
   A) 15
   B) 17
   C) 18
   D) 19
4. The average of 10, 20, 30, and y is 25. Find y.
   A) 35
   B) 40
   C) 45
   D) 50
5. The sum of three numbers is 120. If their average is 40, what are the numbers?
   A) 20, 30, 70
   B) 30, 40, 50
   C) 25, 35, 60
   D) Cannot be determined
6. The average of 5 identical numbers is 18. What is each number?
   A) 16
   B) 18
   C) 20
   D) 22
7. The average of four numbers is 21. If three numbers are 18, 24, and 19, find the fourth number.
   A) 20
   B) 22
   C) 23
   D) 24
8. The average of two numbers is 45. One number is 38. Find the other number.
   A) 52
   B) 55
   C) 48
   D) 36
9. A person scored 72, 68, and 74 in three tests. What marks should he score in the fourth test to make an average of 75?
   A) 85
   B) 90
   C) 88
   D) 86
10. The average of 6 numbers is 50. If one number is removed, the average becomes 48. Find the number removed.
    A) 60
    B) 68
    C) 70
    D) 72
11. The average age of 4 friends is 20 years. What is their total age?
    A) 70
    B) 80
    C) 60
    D) 100
12. The average of three numbers is 35. The second number is 5 more than the first, and the third is 10 more than the second. Find the three numbers.
    A) 25, 30, 40
    B) 30, 35, 45
    C) 28, 33, 43
    D) 29, 34, 44
13. The average rainfall for 5 days was 12 mm. On the sixth day, it was 18 mm. Find the average rainfall for all six days.
    A) 13 mm
    B) 12.5 mm
    C) 14 mm
    D) 11 mm
14. The average of 8 numbers is 26. The average of the first four numbers is 30. Find the average of the remaining four numbers.
    A) 20
    B) 22
    C) 24
    D) 26
15. A man spends ₹2400 over 4 months. Find his average monthly expenditure.
    A) ₹500
    B) ₹600
    C) ₹700
    D) ₹800
16. The average temperature of Monday, Tuesday, and Wednesday was 30°C. The average temperature of Tuesday, Wednesday, and Thursday was 32°C. If Monday’s temperature was 28°C, find Thursday’s temperature.
    A) 36°C
    B) 38°C
    C) 34°C
    D) 40°C
17. The average of five numbers is 25. If one number is 30, what is the average of the remaining four numbers?
    A) 23.75
    B) 24
    C) 22
    D) 26
18. The average of 6, 8, 10, 12, and x is 10. Find the value of x.
    A) 14
    B) 10
    C) 12
    D) 16
19. The average of five numbers is 32. One of the numbers is 36. Find the average of the remaining four numbers.
    A) 30
    B) 31
    C) 33
    D) 34
20. The average of four numbers is 20. A fifth number 25 is added. What is the new average?
    A) 20
    B) 21
    C) 22
    D) 23