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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 718 · 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: 47, 67, 97, 96? (a) 47 (b) 67 (c) 97 (d) 96
  2. 2.Which number is the odd one out: 23, 52, 79, 67? (a) 23 (b) 52 (c) 79 (d) 67
  3. 3.Which number is the odd one out: 17, 23, 39, 73? (a) 17 (b) 23 (c) 39 (d) 73
  4. 4.Which number is the odd one out: 14, 77, 35, 20? (a) 14 (b) 77 (c) 35 (d) 20
  5. 5.Which number is the odd one out: 29, 36, 47, 97? (a) 29 (b) 36 (c) 47 (d) 97
  6. 6.Which number is the odd one out: 12, 10, 75, 85? (a) 12 (b) 10 (c) 75 (d) 85
  7. 7.Which number is the odd one out: 56, 53, 47, 37? (a) 56 (b) 53 (c) 47 (d) 37
  8. 8.Which number is the odd one out: 97, 13, 48, 59? (a) 97 (b) 13 (c) 48 (d) 59
  9. 9.Which number is the odd one out: 3, 48, 72, 18? (a) 3 (b) 48 (c) 72 (d) 18
  10. 10.Which number is the odd one out: 56, 13, 83, 59? (a) 56 (b) 13 (c) 83 (d) 59
  11. 11.Which number is the odd one out: 19, 11, 2, 58? (a) 19 (b) 11 (c) 2 (d) 58
  12. 12.Which number is the odd one out: 19, 59, 18, 89? (a) 19 (b) 59 (c) 18 (d) 89
  13. 13.Which number is the odd one out: 92, 17, 97, 11? (a) 92 (b) 17 (c) 97 (d) 11
  14. 14.Which number is the odd one out: 16, 64, 94, 88? (a) 16 (b) 64 (c) 94 (d) 88
  15. 15.Which number is the odd one out: 31, 66, 51, 67? (a) 31 (b) 66 (c) 51 (d) 67
  16. 16.Which number is the odd one out: 49, 29, 61, 37? (a) 49 (b) 29 (c) 61 (d) 37
  17. 17.Which number is the odd one out: 91, 37, 17, 23? (a) 91 (b) 37 (c) 17 (d) 23
  18. 18.Which number is the odd one out: 19, 23, 21, 42? (a) 19 (b) 23 (c) 21 (d) 42
  19. 19.Which number is the odd one out: 88, 12, 8, 48? (a) 88 (b) 12 (c) 8 (d) 48
  20. 20.Which number is the odd one out: 32, 88, 85, 26? (a) 32 (b) 88 (c) 85 (d) 26
  21. 21.Which number is the odd one out: 88, 23, 24, 48? (a) 88 (b) 23 (c) 24 (d) 48
  22. 22.Which number is the odd one out: 84, 19, 37, 41? (a) 84 (b) 19 (c) 37 (d) 41
  23. 23.Which number is the odd one out: 3, 93, 86, 47? (a) 3 (b) 93 (c) 86 (d) 47
  24. 24.Which number is the odd one out: 77, 64, 49, 16? (a) 77 (b) 64 (c) 49 (d) 16
  25. 25.Which number is the odd one out: 97, 61, 76, 11? (a) 97 (b) 61 (c) 76 (d) 11
  26. 26.Which number is the odd one out: 76, 69, 44, 52? (a) 76 (b) 69 (c) 44 (d) 52
  27. 27.Which number is the odd one out: 5, 23, 45, 79? (a) 5 (b) 23 (c) 45 (d) 79
  28. 28.Which number is the odd one out: 48, 53, 5, 85? (a) 48 (b) 53 (c) 5 (d) 85
  29. 29.Which number is the odd one out: 31, 71, 51, 17? (a) 31 (b) 71 (c) 51 (d) 17
  30. 30.Which number is the odd one out: 14, 31, 53, 13? (a) 14 (b) 31 (c) 53 (d) 13
  31. 31.Which number is the odd one out: 83, 31, 71, 65? (a) 83 (b) 31 (c) 71 (d) 65
  32. 32.Which number is the odd one out: 76, 53, 59, 47? (a) 76 (b) 53 (c) 59 (d) 47
  33. 33.Which number is the odd one out: 31, 89, 22, 13? (a) 31 (b) 89 (c) 22 (d) 13
  34. 34.Which number is the odd one out: 37, 47, 34, 67? (a) 37 (b) 47 (c) 34 (d) 67
  35. 35.Which number is the odd one out: 70, 14, 98, 95? (a) 70 (b) 14 (c) 98 (d) 95
  36. 36.Which number is the odd one out: 17, 20, 19, 55? (a) 17 (b) 20 (c) 19 (d) 55
  37. 37.Which number is the odd one out: 24, 52, 18, 88? (a) 24 (b) 52 (c) 18 (d) 88
  38. 38.Which number is the odd one out: 99, 37, 67, 83? (a) 99 (b) 37 (c) 67 (d) 83
  39. 39.Which number is the odd one out: 83, 47, 15, 5? (a) 83 (b) 47 (c) 15 (d) 5
  40. 40.Which number is the odd one out: 83, 23, 17, 42? (a) 83 (b) 23 (c) 17 (d) 42

Answer key

  1. 96
  2. 52
  3. 39
  4. 20
  5. 36
  6. 12
  7. 56
  8. 48
  9. 3
  10. 56
  11. 58
  12. 18
  13. 92
  14. 94
  15. 66
  16. 49
  17. 91
  18. 42
  19. 12
  20. 85
  21. 23
  22. 84
  23. 86
  24. 77
  25. 76
  26. 69
  27. 45
  28. 48
  29. 51
  30. 14
  31. 65
  32. 76
  33. 22
  34. 34
  35. 95
  36. 20
  37. 18
  38. 99
  39. 15
  40. 42

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