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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 22 · 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: 41, 85, 95, 5? (a) 41 (b) 85 (c) 95 (d) 5
  2. 2.Which number is the odd one out: 17, 71, 28, 89? (a) 17 (b) 71 (c) 28 (d) 89
  3. 3.Which number is the odd one out: 37, 47, 59, 64? (a) 37 (b) 47 (c) 59 (d) 64
  4. 4.Which number is the odd one out: 83, 54, 17, 19? (a) 83 (b) 54 (c) 17 (d) 19
  5. 5.Which number is the odd one out: 67, 11, 72, 53? (a) 67 (b) 11 (c) 72 (d) 53
  6. 6.Which number is the odd one out: 89, 13, 41, 46? (a) 89 (b) 13 (c) 41 (d) 46
  7. 7.Which number is the odd one out: 94, 13, 67, 41? (a) 94 (b) 13 (c) 67 (d) 41
  8. 8.Which number is the odd one out: 71, 67, 50, 23? (a) 71 (b) 67 (c) 50 (d) 23
  9. 9.Which number is the odd one out: 89, 53, 30, 47? (a) 89 (b) 53 (c) 30 (d) 47
  10. 10.Which number is the odd one out: 36, 25, 50, 75? (a) 36 (b) 25 (c) 50 (d) 75
  11. 11.Which number is the odd one out: 64, 16, 13, 32? (a) 64 (b) 16 (c) 13 (d) 32
  12. 12.Which number is the odd one out: 11, 26, 61, 31? (a) 11 (b) 26 (c) 61 (d) 31
  13. 13.Which number is the odd one out: 14, 7, 34, 38? (a) 14 (b) 7 (c) 34 (d) 38
  14. 14.Which number is the odd one out: 80, 60, 96, 23? (a) 80 (b) 60 (c) 96 (d) 23
  15. 15.Which number is the odd one out: 20, 74, 4, 25? (a) 20 (b) 74 (c) 4 (d) 25
  16. 16.Which number is the odd one out: 34, 26, 94, 35? (a) 34 (b) 26 (c) 94 (d) 35
  17. 17.Which number is the odd one out: 23, 2, 29, 6? (a) 23 (b) 2 (c) 29 (d) 6
  18. 18.Which number is the odd one out: 9, 81, 76, 4? (a) 9 (b) 81 (c) 76 (d) 4
  19. 19.Which number is the odd one out: 37, 41, 17, 86? (a) 37 (b) 41 (c) 17 (d) 86
  20. 20.Which number is the odd one out: 54, 78, 70, 18? (a) 54 (b) 78 (c) 70 (d) 18
  21. 21.Which number is the odd one out: 89, 30, 41, 43? (a) 89 (b) 30 (c) 41 (d) 43
  22. 22.Which number is the odd one out: 28, 11, 53, 67? (a) 28 (b) 11 (c) 53 (d) 67
  23. 23.Which number is the odd one out: 88, 8, 80, 95? (a) 88 (b) 8 (c) 80 (d) 95
  24. 24.Which number is the odd one out: 59, 31, 84, 29? (a) 59 (b) 31 (c) 84 (d) 29
  25. 25.Which number is the odd one out: 15, 37, 47, 53? (a) 15 (b) 37 (c) 47 (d) 53
  26. 26.Which number is the odd one out: 11, 71, 87, 53? (a) 11 (b) 71 (c) 87 (d) 53
  27. 27.Which number is the odd one out: 2, 53, 41, 48? (a) 2 (b) 53 (c) 41 (d) 48
  28. 28.Which number is the odd one out: 56, 88, 84, 8? (a) 56 (b) 88 (c) 84 (d) 8
  29. 29.Which number is the odd one out: 8, 56, 88, 42? (a) 8 (b) 56 (c) 88 (d) 42
  30. 30.Which number is the odd one out: 21, 90, 77, 91? (a) 21 (b) 90 (c) 77 (d) 91
  31. 31.Which number is the odd one out: 67, 81, 27, 9? (a) 67 (b) 81 (c) 27 (d) 9
  32. 32.Which number is the odd one out: 47, 30, 11, 37? (a) 47 (b) 30 (c) 11 (d) 37
  33. 33.Which number is the odd one out: 83, 37, 59, 93? (a) 83 (b) 37 (c) 59 (d) 93
  34. 34.Which number is the odd one out: 79, 89, 67, 4? (a) 79 (b) 89 (c) 67 (d) 4
  35. 35.Which number is the odd one out: 71, 13, 81, 67? (a) 71 (b) 13 (c) 81 (d) 67
  36. 36.Which number is the odd one out: 83, 71, 47, 18? (a) 83 (b) 71 (c) 47 (d) 18
  37. 37.Which number is the odd one out: 82, 20, 92, 65? (a) 82 (b) 20 (c) 92 (d) 65
  38. 38.Which number is the odd one out: 67, 12, 23, 33? (a) 67 (b) 12 (c) 23 (d) 33
  39. 39.Which number is the odd one out: 71, 11, 34, 13? (a) 71 (b) 11 (c) 34 (d) 13
  40. 40.Which number is the odd one out: 51, 53, 75, 15? (a) 51 (b) 53 (c) 75 (d) 15

Answer key

  1. 41
  2. 28
  3. 64
  4. 54
  5. 72
  6. 46
  7. 94
  8. 50
  9. 30
  10. 36
  11. 13
  12. 26
  13. 7
  14. 23
  15. 25
  16. 35
  17. 6
  18. 76
  19. 86
  20. 70
  21. 30
  22. 28
  23. 95
  24. 84
  25. 15
  26. 87
  27. 48
  28. 84
  29. 42
  30. 90
  31. 67
  32. 30
  33. 93
  34. 4
  35. 81
  36. 18
  37. 65
  38. 12
  39. 34
  40. 53

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