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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 14 · 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: 76, 48, 34, 96? (a) 76 (b) 48 (c) 34 (d) 96
  2. 2.Which number is the odd one out: 61, 67, 78, 79? (a) 61 (b) 67 (c) 78 (d) 79
  3. 3.Which number is the odd one out: 76, 79, 43, 73? (a) 76 (b) 79 (c) 43 (d) 73
  4. 4.Which number is the odd one out: 93, 23, 67, 19? (a) 93 (b) 23 (c) 67 (d) 19
  5. 5.Which number is the odd one out: 24, 96, 23, 88? (a) 24 (b) 96 (c) 23 (d) 88
  6. 6.Which number is the odd one out: 54, 30, 71, 45? (a) 54 (b) 30 (c) 71 (d) 45
  7. 7.Which number is the odd one out: 58, 62, 50, 85? (a) 58 (b) 62 (c) 50 (d) 85
  8. 8.Which number is the odd one out: 52, 88, 34, 32? (a) 52 (b) 88 (c) 34 (d) 32
  9. 9.Which number is the odd one out: 47, 59, 41, 88? (a) 47 (b) 59 (c) 41 (d) 88
  10. 10.Which number is the odd one out: 60, 21, 77, 98? (a) 60 (b) 21 (c) 77 (d) 98
  11. 11.Which number is the odd one out: 44, 11, 23, 31? (a) 44 (b) 11 (c) 23 (d) 31
  12. 12.Which number is the odd one out: 3, 29, 17, 42? (a) 3 (b) 29 (c) 17 (d) 42
  13. 13.Which number is the odd one out: 97, 59, 71, 90? (a) 97 (b) 59 (c) 71 (d) 90
  14. 14.Which number is the odd one out: 3, 26, 2, 22? (a) 3 (b) 26 (c) 2 (d) 22
  15. 15.Which number is the odd one out: 8, 78, 48, 32? (a) 8 (b) 78 (c) 48 (d) 32
  16. 16.Which number is the odd one out: 85, 50, 66, 15? (a) 85 (b) 50 (c) 66 (d) 15
  17. 17.Which number is the odd one out: 79, 92, 31, 13? (a) 79 (b) 92 (c) 31 (d) 13
  18. 18.Which number is the odd one out: 54, 12, 81, 9? (a) 54 (b) 12 (c) 81 (d) 9
  19. 19.Which number is the odd one out: 71, 8, 67, 89? (a) 71 (b) 8 (c) 67 (d) 89
  20. 20.Which number is the odd one out: 31, 66, 2, 47? (a) 31 (b) 66 (c) 2 (d) 47
  21. 21.Which number is the odd one out: 31, 59, 44, 41? (a) 31 (b) 59 (c) 44 (d) 41
  22. 22.Which number is the odd one out: 79, 26, 97, 13? (a) 79 (b) 26 (c) 97 (d) 13
  23. 23.Which number is the odd one out: 88, 8, 41, 32? (a) 88 (b) 8 (c) 41 (d) 32
  24. 24.Which number is the odd one out: 67, 41, 46, 59? (a) 67 (b) 41 (c) 46 (d) 59
  25. 25.Which number is the odd one out: 97, 13, 11, 50? (a) 97 (b) 13 (c) 11 (d) 50
  26. 26.Which number is the odd one out: 10, 26, 55, 85? (a) 10 (b) 26 (c) 55 (d) 85
  27. 27.Which number is the odd one out: 11, 67, 75, 23? (a) 11 (b) 67 (c) 75 (d) 23
  28. 28.Which number is the odd one out: 71, 68, 97, 37? (a) 71 (b) 68 (c) 97 (d) 37
  29. 29.Which number is the odd one out: 11, 43, 5, 25? (a) 11 (b) 43 (c) 5 (d) 25
  30. 30.Which number is the odd one out: 3, 7, 14, 93? (a) 3 (b) 7 (c) 14 (d) 93
  31. 31.Which number is the odd one out: 72, 4, 36, 16? (a) 72 (b) 4 (c) 36 (d) 16
  32. 32.Which number is the odd one out: 75, 50, 6, 55? (a) 75 (b) 50 (c) 6 (d) 55
  33. 33.Which number is the odd one out: 97, 51, 83, 11? (a) 97 (b) 51 (c) 83 (d) 11
  34. 34.Which number is the odd one out: 61, 13, 79, 14? (a) 61 (b) 13 (c) 79 (d) 14
  35. 35.Which number is the odd one out: 88, 64, 16, 23? (a) 88 (b) 64 (c) 16 (d) 23
  36. 36.Which number is the odd one out: 39, 61, 17, 97? (a) 39 (b) 61 (c) 17 (d) 97
  37. 37.Which number is the odd one out: 97, 30, 57, 37? (a) 97 (b) 30 (c) 57 (d) 37
  38. 38.Which number is the odd one out: 61, 73, 31, 18? (a) 61 (b) 73 (c) 31 (d) 18
  39. 39.Which number is the odd one out: 29, 13, 90, 83? (a) 29 (b) 13 (c) 90 (d) 83
  40. 40.Which number is the odd one out: 26, 79, 74, 2? (a) 26 (b) 79 (c) 74 (d) 2

Answer key

  1. 34
  2. 78
  3. 76
  4. 93
  5. 23
  6. 71
  7. 85
  8. 34
  9. 88
  10. 60
  11. 44
  12. 42
  13. 90
  14. 3
  15. 78
  16. 66
  17. 92
  18. 12
  19. 8
  20. 66
  21. 44
  22. 26
  23. 41
  24. 46
  25. 50
  26. 26
  27. 75
  28. 68
  29. 25
  30. 14
  31. 72
  32. 6
  33. 51
  34. 14
  35. 23
  36. 39
  37. 30
  38. 18
  39. 90
  40. 79

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