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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 361 · 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: 60, 29, 41, 2? (a) 60 (b) 29 (c) 41 (d) 2
  2. 2.Which number is the odd one out: 94, 50, 10, 63? (a) 94 (b) 50 (c) 10 (d) 63
  3. 3.Which number is the odd one out: 13, 58, 89, 41? (a) 13 (b) 58 (c) 89 (d) 41
  4. 4.Which number is the odd one out: 76, 29, 41, 19? (a) 76 (b) 29 (c) 41 (d) 19
  5. 5.Which number is the odd one out: 63, 15, 85, 65? (a) 63 (b) 15 (c) 85 (d) 65
  6. 6.Which number is the odd one out: 6, 47, 78, 51? (a) 6 (b) 47 (c) 78 (d) 51
  7. 7.Which number is the odd one out: 31, 57, 53, 89? (a) 31 (b) 57 (c) 53 (d) 89
  8. 8.Which number is the odd one out: 14, 25, 77, 98? (a) 14 (b) 25 (c) 77 (d) 98
  9. 9.Which number is the odd one out: 58, 83, 13, 97? (a) 58 (b) 83 (c) 13 (d) 97
  10. 10.Which number is the odd one out: 70, 31, 67, 13? (a) 70 (b) 31 (c) 67 (d) 13
  11. 11.Which number is the odd one out: 15, 80, 56, 28? (a) 15 (b) 80 (c) 56 (d) 28
  12. 12.Which number is the odd one out: 16, 4, 64, 5? (a) 16 (b) 4 (c) 64 (d) 5
  13. 13.Which number is the odd one out: 80, 5, 83, 13? (a) 80 (b) 5 (c) 83 (d) 13
  14. 14.Which number is the odd one out: 29, 90, 47, 89? (a) 29 (b) 90 (c) 47 (d) 89
  15. 15.Which number is the odd one out: 2, 48, 89, 47? (a) 2 (b) 48 (c) 89 (d) 47
  16. 16.Which number is the odd one out: 31, 61, 30, 29? (a) 31 (b) 61 (c) 30 (d) 29
  17. 17.Which number is the odd one out: 79, 67, 61, 56? (a) 79 (b) 67 (c) 61 (d) 56
  18. 18.Which number is the odd one out: 17, 16, 2, 37? (a) 17 (b) 16 (c) 2 (d) 37
  19. 19.Which number is the odd one out: 19, 46, 37, 31? (a) 19 (b) 46 (c) 37 (d) 31
  20. 20.Which number is the odd one out: 58, 71, 61, 2? (a) 58 (b) 71 (c) 61 (d) 2
  21. 21.Which number is the odd one out: 30, 6, 60, 8? (a) 30 (b) 6 (c) 60 (d) 8
  22. 22.Which number is the odd one out: 70, 13, 29, 59? (a) 70 (b) 13 (c) 29 (d) 59
  23. 23.Which number is the odd one out: 41, 83, 60, 37? (a) 41 (b) 83 (c) 60 (d) 37
  24. 24.Which number is the odd one out: 24, 96, 48, 79? (a) 24 (b) 96 (c) 48 (d) 79
  25. 25.Which number is the odd one out: 29, 41, 83, 58? (a) 29 (b) 41 (c) 83 (d) 58
  26. 26.Which number is the odd one out: 64, 16, 94, 4? (a) 64 (b) 16 (c) 94 (d) 4
  27. 27.Which number is the odd one out: 18, 20, 54, 90? (a) 18 (b) 20 (c) 54 (d) 90
  28. 28.Which number is the odd one out: 3, 93, 80, 53? (a) 3 (b) 93 (c) 80 (d) 53
  29. 29.Which number is the odd one out: 79, 59, 88, 41? (a) 79 (b) 59 (c) 88 (d) 41
  30. 30.Which number is the odd one out: 74, 61, 37, 13? (a) 74 (b) 61 (c) 37 (d) 13
  31. 31.Which number is the odd one out: 30, 17, 60, 20? (a) 30 (b) 17 (c) 60 (d) 20
  32. 32.Which number is the odd one out: 48, 24, 81, 12? (a) 48 (b) 24 (c) 81 (d) 12
  33. 33.Which number is the odd one out: 12, 2, 29, 61? (a) 12 (b) 2 (c) 29 (d) 61
  34. 34.Which number is the odd one out: 41, 93, 6, 71? (a) 41 (b) 93 (c) 6 (d) 71
  35. 35.Which number is the odd one out: 72, 41, 43, 29? (a) 72 (b) 41 (c) 43 (d) 29
  36. 36.Which number is the odd one out: 30, 35, 21, 14? (a) 30 (b) 35 (c) 21 (d) 14
  37. 37.Which number is the odd one out: 70, 85, 7, 79? (a) 70 (b) 85 (c) 7 (d) 79
  38. 38.Which number is the odd one out: 11, 2, 47, 14? (a) 11 (b) 2 (c) 47 (d) 14
  39. 39.Which number is the odd one out: 30, 59, 57, 23? (a) 30 (b) 59 (c) 57 (d) 23
  40. 40.Which number is the odd one out: 67, 3, 29, 6? (a) 67 (b) 3 (c) 29 (d) 6

Answer key

  1. 60
  2. 63
  3. 58
  4. 76
  5. 63
  6. 47
  7. 57
  8. 25
  9. 58
  10. 70
  11. 15
  12. 5
  13. 80
  14. 90
  15. 48
  16. 30
  17. 56
  18. 16
  19. 46
  20. 58
  21. 8
  22. 70
  23. 60
  24. 79
  25. 58
  26. 94
  27. 20
  28. 80
  29. 88
  30. 74
  31. 17
  32. 81
  33. 12
  34. 6
  35. 72
  36. 30
  37. 70
  38. 14
  39. 30
  40. 6

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