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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 216 · 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: 9, 11, 19, 29? (a) 9 (b) 11 (c) 19 (d) 29
  2. 2.Which number is the odd one out: 13, 57, 61, 71? (a) 13 (b) 57 (c) 61 (d) 71
  3. 3.Which number is the odd one out: 83, 73, 6, 13? (a) 83 (b) 73 (c) 6 (d) 13
  4. 4.Which number is the odd one out: 55, 17, 73, 97? (a) 55 (b) 17 (c) 73 (d) 97
  5. 5.Which number is the odd one out: 13, 46, 47, 53? (a) 13 (b) 46 (c) 47 (d) 53
  6. 6.Which number is the odd one out: 20, 11, 19, 47? (a) 20 (b) 11 (c) 19 (d) 47
  7. 7.Which number is the odd one out: 34, 97, 71, 59? (a) 34 (b) 97 (c) 71 (d) 59
  8. 8.Which number is the odd one out: 18, 37, 17, 2? (a) 18 (b) 37 (c) 17 (d) 2
  9. 9.Which number is the odd one out: 43, 11, 48, 31? (a) 43 (b) 11 (c) 48 (d) 31
  10. 10.Which number is the odd one out: 12, 48, 24, 91? (a) 12 (b) 48 (c) 24 (d) 91
  11. 11.Which number is the odd one out: 85, 64, 10, 25? (a) 85 (b) 64 (c) 10 (d) 25
  12. 12.Which number is the odd one out: 29, 79, 86, 61? (a) 29 (b) 79 (c) 86 (d) 61
  13. 13.Which number is the odd one out: 19, 77, 5, 70? (a) 19 (b) 77 (c) 5 (d) 70
  14. 14.Which number is the odd one out: 21, 71, 79, 97? (a) 21 (b) 71 (c) 79 (d) 97
  15. 15.Which number is the odd one out: 31, 2, 6, 67? (a) 31 (b) 2 (c) 6 (d) 67
  16. 16.Which number is the odd one out: 70, 43, 5, 47? (a) 70 (b) 43 (c) 5 (d) 47
  17. 17.Which number is the odd one out: 26, 53, 73, 13? (a) 26 (b) 53 (c) 73 (d) 13
  18. 18.Which number is the odd one out: 61, 59, 36, 53? (a) 61 (b) 59 (c) 36 (d) 53
  19. 19.Which number is the odd one out: 11, 5, 71, 45? (a) 11 (b) 5 (c) 71 (d) 45
  20. 20.Which number is the odd one out: 29, 89, 48, 41? (a) 29 (b) 89 (c) 48 (d) 41
  21. 21.Which number is the odd one out: 29, 79, 31, 20? (a) 29 (b) 79 (c) 31 (d) 20
  22. 22.Which number is the odd one out: 4, 81, 68, 9? (a) 4 (b) 81 (c) 68 (d) 9
  23. 23.Which number is the odd one out: 16, 43, 59, 37? (a) 16 (b) 43 (c) 59 (d) 37
  24. 24.Which number is the odd one out: 11, 26, 61, 31? (a) 11 (b) 26 (c) 61 (d) 31
  25. 25.Which number is the odd one out: 21, 32, 56, 88? (a) 21 (b) 32 (c) 56 (d) 88
  26. 26.Which number is the odd one out: 8, 24, 12, 2? (a) 8 (b) 24 (c) 12 (d) 2
  27. 27.Which number is the odd one out: 32, 89, 83, 23? (a) 32 (b) 89 (c) 83 (d) 23
  28. 28.Which number is the odd one out: 67, 96, 51, 41? (a) 67 (b) 96 (c) 51 (d) 41
  29. 29.Which number is the odd one out: 24, 12, 32, 82? (a) 24 (b) 12 (c) 32 (d) 82
  30. 30.Which number is the odd one out: 16, 4, 29, 64? (a) 16 (b) 4 (c) 29 (d) 64
  31. 31.Which number is the odd one out: 29, 89, 91, 70? (a) 29 (b) 89 (c) 91 (d) 70
  32. 32.Which number is the odd one out: 4, 64, 16, 58? (a) 4 (b) 64 (c) 16 (d) 58
  33. 33.Which number is the odd one out: 67, 47, 62, 37? (a) 67 (b) 47 (c) 62 (d) 37
  34. 34.Which number is the odd one out: 11, 90, 53, 5? (a) 11 (b) 90 (c) 53 (d) 5
  35. 35.Which number is the odd one out: 53, 89, 94, 23? (a) 53 (b) 89 (c) 94 (d) 23
  36. 36.Which number is the odd one out: 7, 84, 43, 2? (a) 7 (b) 84 (c) 43 (d) 2
  37. 37.Which number is the odd one out: 97, 93, 19, 79? (a) 97 (b) 93 (c) 19 (d) 79
  38. 38.Which number is the odd one out: 67, 15, 83, 29? (a) 67 (b) 15 (c) 83 (d) 29
  39. 39.Which number is the odd one out: 44, 53, 17, 67? (a) 44 (b) 53 (c) 17 (d) 67
  40. 40.Which number is the odd one out: 37, 13, 83, 51? (a) 37 (b) 13 (c) 83 (d) 51

Answer key

  1. 9
  2. 57
  3. 6
  4. 55
  5. 46
  6. 20
  7. 34
  8. 18
  9. 48
  10. 91
  11. 64
  12. 86
  13. 70
  14. 21
  15. 6
  16. 70
  17. 26
  18. 36
  19. 45
  20. 48
  21. 20
  22. 68
  23. 16
  24. 26
  25. 21
  26. 2
  27. 32
  28. 96
  29. 82
  30. 29
  31. 70
  32. 58
  33. 62
  34. 90
  35. 94
  36. 84
  37. 93
  38. 15
  39. 44
  40. 51

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