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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 306 · 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: 57, 53, 47, 41? (a) 57 (b) 53 (c) 47 (d) 41
  2. 2.Which number is the odd one out: 11, 59, 23, 4? (a) 11 (b) 59 (c) 23 (d) 4
  3. 3.Which number is the odd one out: 11, 90, 5, 97? (a) 11 (b) 90 (c) 5 (d) 97
  4. 4.Which number is the odd one out: 7, 84, 78, 12? (a) 7 (b) 84 (c) 78 (d) 12
  5. 5.Which number is the odd one out: 85, 40, 83, 23? (a) 85 (b) 40 (c) 83 (d) 23
  6. 6.Which number is the odd one out: 31, 97, 17, 39? (a) 31 (b) 97 (c) 17 (d) 39
  7. 7.Which number is the odd one out: 59, 68, 19, 73? (a) 59 (b) 68 (c) 19 (d) 73
  8. 8.Which number is the odd one out: 44, 12, 68, 30? (a) 44 (b) 12 (c) 68 (d) 30
  9. 9.Which number is the odd one out: 79, 47, 90, 13? (a) 79 (b) 47 (c) 90 (d) 13
  10. 10.Which number is the odd one out: 27, 90, 99, 30? (a) 27 (b) 90 (c) 99 (d) 30
  11. 11.Which number is the odd one out: 7, 97, 14, 43? (a) 7 (b) 97 (c) 14 (d) 43
  12. 12.Which number is the odd one out: 96, 39, 89, 47? (a) 96 (b) 39 (c) 89 (d) 47
  13. 13.Which number is the odd one out: 8, 56, 21, 32? (a) 8 (b) 56 (c) 21 (d) 32
  14. 14.Which number is the odd one out: 83, 16, 41, 61? (a) 83 (b) 16 (c) 41 (d) 61
  15. 15.Which number is the odd one out: 8, 83, 61, 59? (a) 8 (b) 83 (c) 61 (d) 59
  16. 16.Which number is the odd one out: 33, 26, 9, 81? (a) 33 (b) 26 (c) 9 (d) 81
  17. 17.Which number is the odd one out: 13, 34, 53, 83? (a) 13 (b) 34 (c) 53 (d) 83
  18. 18.Which number is the odd one out: 89, 37, 63, 7? (a) 89 (b) 37 (c) 63 (d) 7
  19. 19.Which number is the odd one out: 3, 72, 37, 71? (a) 3 (b) 72 (c) 37 (d) 71
  20. 20.Which number is the odd one out: 79, 13, 9, 3? (a) 79 (b) 13 (c) 9 (d) 3
  21. 21.Which number is the odd one out: 61, 9, 73, 29? (a) 61 (b) 9 (c) 73 (d) 29
  22. 22.Which number is the odd one out: 52, 16, 4, 64? (a) 52 (b) 16 (c) 4 (d) 64
  23. 23.Which number is the odd one out: 67, 11, 71, 74? (a) 67 (b) 11 (c) 71 (d) 74
  24. 24.Which number is the odd one out: 2, 53, 17, 58? (a) 2 (b) 53 (c) 17 (d) 58
  25. 25.Which number is the odd one out: 29, 96, 31, 61? (a) 29 (b) 96 (c) 31 (d) 61
  26. 26.Which number is the odd one out: 42, 5, 11, 35? (a) 42 (b) 5 (c) 11 (d) 35
  27. 27.Which number is the odd one out: 83, 3, 66, 2? (a) 83 (b) 3 (c) 66 (d) 2
  28. 28.Which number is the odd one out: 73, 17, 16, 13? (a) 73 (b) 17 (c) 16 (d) 13
  29. 29.Which number is the odd one out: 29, 23, 93, 54? (a) 29 (b) 23 (c) 93 (d) 54
  30. 30.Which number is the odd one out: 10, 19, 11, 17? (a) 10 (b) 19 (c) 11 (d) 17
  31. 31.Which number is the odd one out: 54, 12, 96, 48? (a) 54 (b) 12 (c) 96 (d) 48
  32. 32.Which number is the odd one out: 18, 41, 23, 13? (a) 18 (b) 41 (c) 23 (d) 13
  33. 33.Which number is the odd one out: 54, 61, 37, 17? (a) 54 (b) 61 (c) 37 (d) 17
  34. 34.Which number is the odd one out: 59, 22, 89, 17? (a) 59 (b) 22 (c) 89 (d) 17
  35. 35.Which number is the odd one out: 40, 80, 88, 29? (a) 40 (b) 80 (c) 88 (d) 29
  36. 36.Which number is the odd one out: 75, 89, 73, 31? (a) 75 (b) 89 (c) 73 (d) 31
  37. 37.Which number is the odd one out: 29, 2, 94, 17? (a) 29 (b) 2 (c) 94 (d) 17
  38. 38.Which number is the odd one out: 89, 16, 8, 64? (a) 89 (b) 16 (c) 8 (d) 64
  39. 39.Which number is the odd one out: 31, 79, 61, 63? (a) 31 (b) 79 (c) 61 (d) 63
  40. 40.Which number is the odd one out: 61, 59, 65, 53? (a) 61 (b) 59 (c) 65 (d) 53

Answer key

  1. 57
  2. 4
  3. 90
  4. 7
  5. 40
  6. 39
  7. 68
  8. 30
  9. 90
  10. 30
  11. 14
  12. 96
  13. 21
  14. 16
  15. 8
  16. 26
  17. 34
  18. 63
  19. 72
  20. 9
  21. 9
  22. 52
  23. 74
  24. 58
  25. 96
  26. 42
  27. 66
  28. 16
  29. 54
  30. 10
  31. 54
  32. 18
  33. 54
  34. 22
  35. 29
  36. 75
  37. 94
  38. 89
  39. 63
  40. 65

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