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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 682 · 40 questions
TalentJR

How to think it through (Test every number): Check each number for a property: even/odd, prime (only two factors), square (4, 9, 16 …), or a multiple of 3, 4, 5 … 9. Find the property that three numbers share and one does not. Make sure no other property points at a different number — then that one is the odd one out.

NameDateTime takenScore ___ / 40
  1. 1.Which number is the odd one out: 8, 9, 88, 64? (a) 8 (b) 9 (c) 88 (d) 64
  2. 2.Which number is the odd one out: 97, 23, 25, 31? (a) 97 (b) 23 (c) 25 (d) 31
  3. 3.Which number is the odd one out: 18, 72, 31, 96? (a) 18 (b) 72 (c) 31 (d) 96
  4. 4.Which number is the odd one out: 41, 89, 83, 85? (a) 41 (b) 89 (c) 83 (d) 85
  5. 5.Which number is the odd one out: 47, 5, 29, 40? (a) 47 (b) 5 (c) 29 (d) 40
  6. 6.Which number is the odd one out: 17, 19, 89, 16? (a) 17 (b) 19 (c) 89 (d) 16
  7. 7.Which number is the odd one out: 94, 22, 45, 26? (a) 94 (b) 22 (c) 45 (d) 26
  8. 8.Which number is the odd one out: 43, 44, 19, 11? (a) 43 (b) 44 (c) 19 (d) 11
  9. 9.Which number is the odd one out: 8, 89, 17, 59? (a) 8 (b) 89 (c) 17 (d) 59
  10. 10.Which number is the odd one out: 71, 38, 59, 19? (a) 71 (b) 38 (c) 59 (d) 19
  11. 11.Which number is the odd one out: 18, 85, 11, 5? (a) 18 (b) 85 (c) 11 (d) 5
  12. 12.Which number is the odd one out: 73, 59, 44, 23? (a) 73 (b) 59 (c) 44 (d) 23
  13. 13.Which number is the odd one out: 23, 8, 17, 71? (a) 23 (b) 8 (c) 17 (d) 71
  14. 14.Which number is the odd one out: 27, 89, 53, 41? (a) 27 (b) 89 (c) 53 (d) 41
  15. 15.Which number is the odd one out: 59, 42, 47, 97? (a) 59 (b) 42 (c) 47 (d) 97
  16. 16.Which number is the odd one out: 7, 2, 56, 67? (a) 7 (b) 2 (c) 56 (d) 67
  17. 17.Which number is the odd one out: 73, 89, 79, 10? (a) 73 (b) 89 (c) 79 (d) 10
  18. 18.Which number is the odd one out: 24, 42, 96, 14? (a) 24 (b) 42 (c) 96 (d) 14
  19. 19.Which number is the odd one out: 89, 64, 88, 16? (a) 89 (b) 64 (c) 88 (d) 16
  20. 20.Which number is the odd one out: 60, 2, 17, 31? (a) 60 (b) 2 (c) 17 (d) 31
  21. 21.Which number is the odd one out: 2, 8, 31, 23? (a) 2 (b) 8 (c) 31 (d) 23
  22. 22.Which number is the odd one out: 72, 23, 53, 37? (a) 72 (b) 23 (c) 53 (d) 37
  23. 23.Which number is the odd one out: 96, 48, 84, 28? (a) 96 (b) 48 (c) 84 (d) 28
  24. 24.Which number is the odd one out: 24, 78, 48, 96? (a) 24 (b) 78 (c) 48 (d) 96
  25. 25.Which number is the odd one out: 41, 71, 13, 9? (a) 41 (b) 71 (c) 13 (d) 9
  26. 26.Which number is the odd one out: 66, 30, 44, 60? (a) 66 (b) 30 (c) 44 (d) 60
  27. 27.Which number is the odd one out: 41, 79, 54, 43? (a) 41 (b) 79 (c) 54 (d) 43
  28. 28.Which number is the odd one out: 19, 28, 23, 97? (a) 19 (b) 28 (c) 23 (d) 97
  29. 29.Which number is the odd one out: 59, 13, 41, 45? (a) 59 (b) 13 (c) 41 (d) 45
  30. 30.Which number is the odd one out: 31, 65, 30, 11? (a) 31 (b) 65 (c) 30 (d) 11
  31. 31.Which number is the odd one out: 2, 71, 22, 53? (a) 2 (b) 71 (c) 22 (d) 53
  32. 32.Which number is the odd one out: 80, 40, 63, 56? (a) 80 (b) 40 (c) 63 (d) 56
  33. 33.Which number is the odd one out: 3, 2, 79, 6? (a) 3 (b) 2 (c) 79 (d) 6
  34. 34.Which number is the odd one out: 47, 24, 6, 32? (a) 47 (b) 24 (c) 6 (d) 32
  35. 35.Which number is the odd one out: 79, 29, 97, 63? (a) 79 (b) 29 (c) 97 (d) 63
  36. 36.Which number is the odd one out: 54, 13, 18, 27? (a) 54 (b) 13 (c) 18 (d) 27
  37. 37.Which number is the odd one out: 24, 14, 32, 96? (a) 24 (b) 14 (c) 32 (d) 96
  38. 38.Which number is the odd one out: 73, 51, 71, 13? (a) 73 (b) 51 (c) 71 (d) 13
  39. 39.Which number is the odd one out: 13, 95, 67, 60? (a) 13 (b) 95 (c) 67 (d) 60
  40. 40.Which number is the odd one out: 25, 64, 10, 65? (a) 25 (b) 64 (c) 10 (d) 65

Answer key

  1. 9
  2. 25
  3. 31
  4. 85
  5. 40
  6. 16
  7. 45
  8. 44
  9. 8
  10. 38
  11. 18
  12. 44
  13. 8
  14. 27
  15. 42
  16. 56
  17. 10
  18. 14
  19. 89
  20. 60
  21. 8
  22. 72
  23. 28
  24. 78
  25. 9
  26. 44
  27. 54
  28. 28
  29. 45
  30. 30
  31. 22
  32. 63
  33. 6
  34. 47
  35. 63
  36. 13
  37. 14
  38. 51
  39. 60
  40. 64

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