Average questions with solutions

1. Question 1Easy

   The average of five consecutive even numbers is 24. Find the largest of them.

   • A.28Correct
   • B.32
   • C.30
   • D.26
   Show solution

   For consecutive numbers the average is the middle term, so the numbers are 20, 22, 24, 26, 28 and the largest is 28.

2. Question 2Easy

   The average of 8 numbers is 15. What is their sum?

   • A.120Correct
   • B.23
   • C.105
   • D.135
   Show solution

   Sum = average × count = 15 × 8 = 120.

3. Question 3Easy

   Find the average of the first five multiples of 6.

   • A.20
   • B.18Correct
   • C.15
   • D.16
   Show solution

   The multiples are 6, 12, 18, 24, 30; their sum 90 ÷ 5 = 18.

4. Question 4Easy

   Find the average of 29, 33, 37, 41.

   • A.37
   • B.33
   • C.41
   • D.29
   • E.35Correct
   Show solution

   The sum of the 4 numbers is 140, and dividing by 4 gives 35.

5. Question 5Easy

   Find the average of 34, 38, 42, 46, 50, 54, 58.

   • A.30
   • B.58
   • C.46Correct
   • D.34
   • E.62
   Show solution

   The sum of the 7 numbers is 322, and dividing by 7 gives 46.

6. Question 6Easy

   Find the average of 35, 37, 39, 41, 43, 45.

   • A.50
   • B.30
   • C.24
   • D.56
   • E.40Correct
   Show solution

   The sum of the 6 numbers is 240, and dividing by 6 gives 40.

7. Question 7Easy

   Find the average of 12, 16, 20, 24, 28.

   • A.20Correct
   • B.26
   • C.28
   • D.12
   • E.14
   Show solution

   The sum of the 5 numbers is 100, and dividing by 5 gives 20.

8. Question 8Easy

   Find the average of 10, 20, 30, 40 and 50.

   • A.25
   • B.35
   • C.40
   • D.30Correct
   Show solution

   Sum is 150 and there are 5 numbers, so the average is 150 ÷ 5 = 30.

9. Question 9Easy

   Find the average of 16, 20, 24, 28, 32, 36, 40.

   • A.12
   • B.16
   • C.44
   • D.40
   • E.28Correct
   Show solution

   The sum of the 7 numbers is 196, and dividing by 7 gives 28.

10. Question 10Easy

    The average of four consecutive odd numbers is 16. Find the largest of them.

    • A.21
    • B.19Correct
    • C.15
    • D.17
    Show solution

    The numbers are 13, 15, 17, 19 with average 16, so the largest is 19.

11. Question 11Easy

    Find the average of 35, 37, 39, 41.

    • A.22
    • B.34
    • C.42
    • D.54
    • E.38Correct
    Show solution

    The sum of the 4 numbers is 152, and dividing by 4 gives 38.

12. Question 12Easy

    What is the average of the first five natural numbers, 1, 2, 3, 4 and 5?

    • A.3Correct
    • B.2.5
    • C.4
    • D.3.5
    Show solution

    The sum is 1 + 2 + 3 + 4 + 5 = 15, and there are 5 numbers, so the average is 15 / 5 = 3.

These are 12 of 33 average questions in the bank. Attempt the rest with instant feedback in the practice drills, or under a clock in the mock tests.