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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 977 · 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: 67, 60, 23, 97? (a) 67 (b) 60 (c) 23 (d) 97
  2. 2.Which number is the odd one out: 78, 76, 44, 52? (a) 78 (b) 76 (c) 44 (d) 52
  3. 3.Which number is the odd one out: 19, 37, 23, 4? (a) 19 (b) 37 (c) 23 (d) 4
  4. 4.Which number is the odd one out: 41, 31, 37, 22? (a) 41 (b) 31 (c) 37 (d) 22
  5. 5.Which number is the odd one out: 33, 48, 47, 67? (a) 33 (b) 48 (c) 47 (d) 67
  6. 6.Which number is the odd one out: 89, 60, 53, 71? (a) 89 (b) 60 (c) 53 (d) 71
  7. 7.Which number is the odd one out: 23, 67, 73, 70? (a) 23 (b) 67 (c) 73 (d) 70
  8. 8.Which number is the odd one out: 47, 13, 11, 26? (a) 47 (b) 13 (c) 11 (d) 26
  9. 9.Which number is the odd one out: 53, 84, 59, 23? (a) 53 (b) 84 (c) 59 (d) 23
  10. 10.Which number is the odd one out: 88, 12, 38, 24? (a) 88 (b) 12 (c) 38 (d) 24
  11. 11.Which number is the odd one out: 52, 4, 9, 81? (a) 52 (b) 4 (c) 9 (d) 81
  12. 12.Which number is the odd one out: 33, 54, 97, 89? (a) 33 (b) 54 (c) 97 (d) 89
  13. 13.Which number is the odd one out: 93, 13, 89, 43? (a) 93 (b) 13 (c) 89 (d) 43
  14. 14.Which number is the odd one out: 73, 3, 11, 15? (a) 73 (b) 3 (c) 11 (d) 15
  15. 15.Which number is the odd one out: 13, 52, 73, 31? (a) 13 (b) 52 (c) 73 (d) 31
  16. 16.Which number is the odd one out: 41, 91, 23, 89? (a) 41 (b) 91 (c) 23 (d) 89
  17. 17.Which number is the odd one out: 34, 57, 62, 46? (a) 34 (b) 57 (c) 62 (d) 46
  18. 18.Which number is the odd one out: 64, 16, 50, 4? (a) 64 (b) 16 (c) 50 (d) 4
  19. 19.Which number is the odd one out: 81, 37, 59, 89? (a) 81 (b) 37 (c) 59 (d) 89
  20. 20.Which number is the odd one out: 60, 61, 31, 79? (a) 60 (b) 61 (c) 31 (d) 79
  21. 21.Which number is the odd one out: 25, 83, 29, 71? (a) 25 (b) 83 (c) 29 (d) 71
  22. 22.Which number is the odd one out: 41, 68, 37, 31? (a) 41 (b) 68 (c) 37 (d) 31
  23. 23.Which number is the odd one out: 47, 2, 50, 59? (a) 47 (b) 2 (c) 50 (d) 59
  24. 24.Which number is the odd one out: 41, 89, 83, 45? (a) 41 (b) 89 (c) 83 (d) 45
  25. 25.Which number is the odd one out: 24, 55, 85, 30? (a) 24 (b) 55 (c) 85 (d) 30
  26. 26.Which number is the odd one out: 72, 7, 96, 18? (a) 72 (b) 7 (c) 96 (d) 18
  27. 27.Which number is the odd one out: 13, 47, 61, 24? (a) 13 (b) 47 (c) 61 (d) 24
  28. 28.Which number is the odd one out: 9, 81, 57, 43? (a) 9 (b) 81 (c) 57 (d) 43
  29. 29.Which number is the odd one out: 66, 96, 56, 6? (a) 66 (b) 96 (c) 56 (d) 6
  30. 30.Which number is the odd one out: 23, 73, 13, 85? (a) 23 (b) 73 (c) 13 (d) 85
  31. 31.Which number is the odd one out: 13, 4, 83, 89? (a) 13 (b) 4 (c) 83 (d) 89
  32. 32.Which number is the odd one out: 97, 98, 79, 23? (a) 97 (b) 98 (c) 79 (d) 23
  33. 33.Which number is the odd one out: 96, 31, 37, 89? (a) 96 (b) 31 (c) 37 (d) 89
  34. 34.Which number is the odd one out: 17, 67, 73, 82? (a) 17 (b) 67 (c) 73 (d) 82
  35. 35.Which number is the odd one out: 24, 96, 12, 19? (a) 24 (b) 96 (c) 12 (d) 19
  36. 36.Which number is the odd one out: 83, 61, 3, 60? (a) 83 (b) 61 (c) 3 (d) 60
  37. 37.Which number is the odd one out: 35, 24, 90, 72? (a) 35 (b) 24 (c) 90 (d) 72
  38. 38.Which number is the odd one out: 42, 96, 70, 24? (a) 42 (b) 96 (c) 70 (d) 24
  39. 39.Which number is the odd one out: 75, 83, 90, 31? (a) 75 (b) 83 (c) 90 (d) 31
  40. 40.Which number is the odd one out: 15, 25, 55, 81? (a) 15 (b) 25 (c) 55 (d) 81

Answer key

  1. 60
  2. 78
  3. 4
  4. 22
  5. 48
  6. 60
  7. 70
  8. 26
  9. 84
  10. 38
  11. 52
  12. 54
  13. 93
  14. 15
  15. 52
  16. 91
  17. 57
  18. 50
  19. 81
  20. 60
  21. 25
  22. 68
  23. 50
  24. 45
  25. 24
  26. 7
  27. 24
  28. 43
  29. 56
  30. 85
  31. 4
  32. 98
  33. 96
  34. 82
  35. 19
  36. 60
  37. 35
  38. 70
  39. 90
  40. 81

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