Mean Median Mode Worksheet for Maths Olympiad
How to solve it (Work with totals): Mean = total ÷ how many; so total = mean × how many. Median: put the numbers in order and take the middle one. Mode: the number that appears most often. A number added: new mean = (old total + the number) ÷ (how many + 1).
NameDateTime takenScore ___ / 40
- 1.What is the mode of 1, 1, 14, 8, 6, 6 and 6? (a) 6 (b) 14 (c) 1 (d) 8
- 2.What is the median of 37, 18, 40, 7 and 35? (a) 37 (b) 18 (c) 40 (d) 35
- 3.The mean of 4 numbers is 10. When the number 25 is added to them, what is the new mean? (a) 14 (b) 13 (c) 12 (d) 10
- 4.What is the median of 11, 30, 32, 37 and 33? (a) 31 (b) 30 (c) 32 (d) 33
- 5.What is the median of 11, 1, 36, 15 and 37? (a) 20 (b) 11 (c) 36 (d) 15
- 6.The mean of 6 numbers is 37. When the number 51 is added to them, what is the new mean? (a) 40 (b) 37 (c) 39 (d) 44
- 7.What is the mean of 6, 19, 3, 15, 20 and 21? (a) 12 (b) 13 (c) 15 (d) 14
- 8.What is the mode of 8, 6, 6, 19, 8, 6 and 14? (a) 19 (b) 14 (c) 6 (d) 8
- 9.The mean of 5 numbers is 36. When the number 54 is added to them, what is the new mean? (a) 36 (b) 45 (c) 39 (d) 40
- 10.The mean of 4 numbers is 20. When the number 40 is added to them, what is the new mean? (a) 24 (b) 30 (c) 25 (d) 20
- 11.What is the mean of 2, 5, 3, 10 and 5? (a) 5 (b) 7 (c) 6 (d) 4
- 12.The mean of 4 numbers is 35. When the number 40 is added to them, what is the new mean? (a) 35 (b) 38 (c) 36 (d) 37
- 13.What is the mean of 11, 15, 16 and 14? (a) 14 (b) 13 (c) 16 (d) 15
- 14.What is the mode of 3, 3, 7, 12, 7, 3 and 5? (a) 7 (b) 5 (c) 3 (d) 12
- 15.The mean of 3 numbers is 28. When the number 40 is added to them, what is the new mean? (a) 34 (b) 31 (c) 28 (d) 32
- 16.What is the mean of 10, 5, 6, 2 and 7? (a) 7 (b) 6 (c) 5 (d) 8
- 17.What is the mean of 9, 9, 15, 3, 17 and 25? (a) 15 (b) 12 (c) 13 (d) 14
- 18.What is the median of 10, 27, 32, 31 and 28? (a) 32 (b) 27 (c) 31 (d) 28
- 19.What is the mode of 3, 8, 8, 12, 3, 8 and 6? (a) 12 (b) 8 (c) 6 (d) 3
- 20.The mean of 7 numbers is 16. When the number 48 is added to them, what is the new mean? (a) 21 (b) 20 (c) 32 (d) 16
- 21.What is the mode of 5, 5, 5, 13, 14, 18 and 14? (a) 14 (b) 13 (c) 5 (d) 18
- 22.What is the median of 37, 24, 31, 14, 40, 16 and 35? (a) 31 (b) 35 (c) 14 (d) 24
- 23.The mean of 4 numbers is 25. When the number 20 is added to them, what is the new mean? (a) 26 (b) 24 (c) 23 (d) 25
- 24.What is the mode of 2, 6, 13, 13, 2, 13 and 14? (a) 6 (b) 13 (c) 14 (d) 2
- 25.What is the mode of 13, 8, 8, 15, 15, 15 and 9? (a) 9 (b) 15 (c) 8 (d) 13
- 26.What is the mean of 4, 11, 13, 16, 19 and 15? (a) 12 (b) 13 (c) 14 (d) 15
- 27.What is the median of 33, 37, 26, 31 and 18? (a) 31 (b) 29 (c) 33 (d) 26
- 28.What is the mean of 13, 3, 18 and 14? (a) 16 (b) 13 (c) 12 (d) 11
- 29.What is the mean of 10, 5, 13 and 16? (a) 10 (b) 12 (c) 11 (d) 13
- 30.The mean of 4 numbers is 19. When the number 9 is added to them, what is the new mean? (a) 19 (b) 17 (c) 18 (d) 14
- 31.The mean of 3 numbers is 26. When the number 18 is added to them, what is the new mean? (a) 24 (b) 25 (c) 26 (d) 22
- 32.What is the mean of 13, 8, 11, 5 and 13? (a) 10 (b) 9 (c) 12 (d) 11
- 33.What is the mean of 9, 5, 18, 18, 16 and 12? (a) 13 (b) 12 (c) 15 (d) 14
- 34.What is the mean of 14, 3, 9 and 6? (a) 8 (b) 9 (c) 7 (d) 10
- 35.What is the mode of 2, 13, 2, 1, 13, 18 and 2? (a) 1 (b) 13 (c) 2 (d) 18
- 36.The mean of 9 numbers is 25. When the number 35 is added to them, what is the new mean? (a) 30 (b) 25 (c) 26 (d) 27
- 37.The mean of 8 numbers is 15. When the number 6 is added to them, what is the new mean? (a) 15 (b) 13 (c) 16 (d) 14
- 38.The mean of 4 numbers is 39. When the number 34 is added to them, what is the new mean? (a) 37 (b) 40 (c) 38 (d) 39
- 39.The mean of 5 numbers is 11. When the number 17 is added to them, what is the new mean? (a) 13 (b) 12 (c) 11 (d) 14
- 40.The mean of 4 numbers is 14. When the number 29 is added to them, what is the new mean? (a) 16 (b) 14 (c) 17 (d) 18
Answer key
- 6
- 35
- 13
- 32
- 15
- 39
- 14
- 6
- 39
- 24
- 5
- 36
- 14
- 3
- 31
- 6
- 13
- 28
- 8
- 20
- 5
- 31
- 24
- 13
- 15
- 13
- 31
- 12
- 11
- 17
- 24
- 10
- 13
- 8
- 2
- 26
- 14
- 38
- 12
- 17
Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad