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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 119 · 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: 61, 59, 9, 83? (a) 61 (b) 59 (c) 9 (d) 83
  2. 2.Which number is the odd one out: 19, 11, 71, 54? (a) 19 (b) 11 (c) 71 (d) 54
  3. 3.Which number is the odd one out: 11, 24, 96, 6? (a) 11 (b) 24 (c) 96 (d) 6
  4. 4.Which number is the odd one out: 43, 11, 61, 69? (a) 43 (b) 11 (c) 61 (d) 69
  5. 5.Which number is the odd one out: 10, 59, 47, 41? (a) 10 (b) 59 (c) 47 (d) 41
  6. 6.Which number is the odd one out: 78, 24, 48, 82? (a) 78 (b) 24 (c) 48 (d) 82
  7. 7.Which number is the odd one out: 16, 4, 45, 64? (a) 16 (b) 4 (c) 45 (d) 64
  8. 8.Which number is the odd one out: 43, 50, 83, 13? (a) 43 (b) 50 (c) 83 (d) 13
  9. 9.Which number is the odd one out: 52, 23, 41, 67? (a) 52 (b) 23 (c) 41 (d) 67
  10. 10.Which number is the odd one out: 19, 3, 17, 81? (a) 19 (b) 3 (c) 17 (d) 81
  11. 11.Which number is the odd one out: 19, 47, 83, 39? (a) 19 (b) 47 (c) 83 (d) 39
  12. 12.Which number is the odd one out: 17, 67, 2, 8? (a) 17 (b) 67 (c) 2 (d) 8
  13. 13.Which number is the odd one out: 13, 74, 19, 73? (a) 13 (b) 74 (c) 19 (d) 73
  14. 14.Which number is the odd one out: 75, 59, 67, 17? (a) 75 (b) 59 (c) 67 (d) 17
  15. 15.Which number is the odd one out: 76, 81, 69, 9? (a) 76 (b) 81 (c) 69 (d) 9
  16. 16.Which number is the odd one out: 40, 66, 32, 80? (a) 40 (b) 66 (c) 32 (d) 80
  17. 17.Which number is the odd one out: 23, 79, 89, 28? (a) 23 (b) 79 (c) 89 (d) 28
  18. 18.Which number is the odd one out: 67, 13, 47, 76? (a) 67 (b) 13 (c) 47 (d) 76
  19. 19.Which number is the odd one out: 78, 16, 64, 4? (a) 78 (b) 16 (c) 64 (d) 4
  20. 20.Which number is the odd one out: 54, 10, 30, 50? (a) 54 (b) 10 (c) 30 (d) 50
  21. 21.Which number is the odd one out: 7, 59, 63, 17? (a) 7 (b) 59 (c) 63 (d) 17
  22. 22.Which number is the odd one out: 35, 88, 56, 80? (a) 35 (b) 88 (c) 56 (d) 80
  23. 23.Which number is the odd one out: 37, 17, 34, 83? (a) 37 (b) 17 (c) 34 (d) 83
  24. 24.Which number is the odd one out: 92, 73, 71, 17? (a) 92 (b) 73 (c) 71 (d) 17
  25. 25.Which number is the odd one out: 97, 43, 23, 54? (a) 97 (b) 43 (c) 23 (d) 54
  26. 26.Which number is the odd one out: 91, 41, 56, 29? (a) 91 (b) 41 (c) 56 (d) 29
  27. 27.Which number is the odd one out: 19, 52, 41, 13? (a) 19 (b) 52 (c) 41 (d) 13
  28. 28.Which number is the odd one out: 41, 73, 27, 43? (a) 41 (b) 73 (c) 27 (d) 43
  29. 29.Which number is the odd one out: 43, 11, 99, 89? (a) 43 (b) 11 (c) 99 (d) 89
  30. 30.Which number is the odd one out: 24, 6, 68, 88? (a) 24 (b) 6 (c) 68 (d) 88
  31. 31.Which number is the odd one out: 40, 41, 47, 23? (a) 40 (b) 41 (c) 47 (d) 23
  32. 32.Which number is the odd one out: 7, 13, 49, 43? (a) 7 (b) 13 (c) 49 (d) 43
  33. 33.Which number is the odd one out: 11, 41, 74, 2? (a) 11 (b) 41 (c) 74 (d) 2
  34. 34.Which number is the odd one out: 88, 20, 80, 93? (a) 88 (b) 20 (c) 80 (d) 93
  35. 35.Which number is the odd one out: 75, 65, 85, 18? (a) 75 (b) 65 (c) 85 (d) 18
  36. 36.Which number is the odd one out: 78, 49, 96, 24? (a) 78 (b) 49 (c) 96 (d) 24
  37. 37.Which number is the odd one out: 59, 93, 51, 33? (a) 59 (b) 93 (c) 51 (d) 33
  38. 38.Which number is the odd one out: 71, 41, 43, 28? (a) 71 (b) 41 (c) 43 (d) 28
  39. 39.Which number is the odd one out: 40, 17, 13, 23? (a) 40 (b) 17 (c) 13 (d) 23
  40. 40.Which number is the odd one out: 53, 54, 13, 37? (a) 53 (b) 54 (c) 13 (d) 37

Answer key

  1. 9
  2. 54
  3. 11
  4. 69
  5. 10
  6. 82
  7. 45
  8. 50
  9. 52
  10. 81
  11. 39
  12. 8
  13. 74
  14. 75
  15. 76
  16. 66
  17. 28
  18. 76
  19. 78
  20. 54
  21. 63
  22. 35
  23. 34
  24. 92
  25. 54
  26. 56
  27. 52
  28. 27
  29. 99
  30. 6
  31. 40
  32. 49
  33. 74
  34. 93
  35. 18
  36. 49
  37. 59
  38. 28
  39. 40
  40. 54

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