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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 537 · 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: 29, 61, 37, 80? (a) 29 (b) 61 (c) 37 (d) 80
  2. 2.Which number is the odd one out: 13, 49, 97, 37? (a) 13 (b) 49 (c) 97 (d) 37
  3. 3.Which number is the odd one out: 25, 83, 37, 73? (a) 25 (b) 83 (c) 37 (d) 73
  4. 4.Which number is the odd one out: 93, 97, 11, 41? (a) 93 (b) 97 (c) 11 (d) 41
  5. 5.Which number is the odd one out: 96, 11, 68, 48? (a) 96 (b) 11 (c) 68 (d) 48
  6. 6.Which number is the odd one out: 90, 18, 30, 3? (a) 90 (b) 18 (c) 30 (d) 3
  7. 7.Which number is the odd one out: 93, 29, 97, 67? (a) 93 (b) 29 (c) 97 (d) 67
  8. 8.Which number is the odd one out: 7, 53, 4, 49? (a) 7 (b) 53 (c) 4 (d) 49
  9. 9.Which number is the odd one out: 29, 23, 61, 58? (a) 29 (b) 23 (c) 61 (d) 58
  10. 10.Which number is the odd one out: 99, 8, 81, 9? (a) 99 (b) 8 (c) 81 (d) 9
  11. 11.Which number is the odd one out: 66, 78, 99, 18? (a) 66 (b) 78 (c) 99 (d) 18
  12. 12.Which number is the odd one out: 30, 65, 66, 51? (a) 30 (b) 65 (c) 66 (d) 51
  13. 13.Which number is the odd one out: 11, 88, 79, 41? (a) 11 (b) 88 (c) 79 (d) 41
  14. 14.Which number is the odd one out: 16, 59, 73, 23? (a) 16 (b) 59 (c) 73 (d) 23
  15. 15.Which number is the odd one out: 61, 59, 89, 12? (a) 61 (b) 59 (c) 89 (d) 12
  16. 16.Which number is the odd one out: 37, 38, 71, 73? (a) 37 (b) 38 (c) 71 (d) 73
  17. 17.Which number is the odd one out: 56, 72, 42, 54? (a) 56 (b) 72 (c) 42 (d) 54
  18. 18.Which number is the odd one out: 48, 24, 65, 80? (a) 48 (b) 24 (c) 65 (d) 80
  19. 19.Which number is the odd one out: 81, 84, 63, 36? (a) 81 (b) 84 (c) 63 (d) 36
  20. 20.Which number is the odd one out: 48, 45, 60, 96? (a) 48 (b) 45 (c) 60 (d) 96
  21. 21.Which number is the odd one out: 81, 27, 9, 26? (a) 81 (b) 27 (c) 9 (d) 26
  22. 22.Which number is the odd one out: 79, 19, 86, 71? (a) 79 (b) 19 (c) 86 (d) 71
  23. 23.Which number is the odd one out: 2, 26, 19, 17? (a) 2 (b) 26 (c) 19 (d) 17
  24. 24.Which number is the odd one out: 29, 23, 86, 2? (a) 29 (b) 23 (c) 86 (d) 2
  25. 25.Which number is the odd one out: 23, 41, 22, 89? (a) 23 (b) 41 (c) 22 (d) 89
  26. 26.Which number is the odd one out: 97, 19, 59, 95? (a) 97 (b) 19 (c) 59 (d) 95
  27. 27.Which number is the odd one out: 77, 21, 91, 6? (a) 77 (b) 21 (c) 91 (d) 6
  28. 28.Which number is the odd one out: 4, 97, 43, 59? (a) 4 (b) 97 (c) 43 (d) 59
  29. 29.Which number is the odd one out: 90, 63, 30, 15? (a) 90 (b) 63 (c) 30 (d) 15
  30. 30.Which number is the odd one out: 97, 36, 37, 17? (a) 97 (b) 36 (c) 37 (d) 17
  31. 31.Which number is the odd one out: 97, 71, 51, 3? (a) 97 (b) 71 (c) 51 (d) 3
  32. 32.Which number is the odd one out: 9, 96, 99, 36? (a) 9 (b) 96 (c) 99 (d) 36
  33. 33.Which number is the odd one out: 26, 10, 22, 35? (a) 26 (b) 10 (c) 22 (d) 35
  34. 34.Which number is the odd one out: 40, 5, 53, 29? (a) 40 (b) 5 (c) 53 (d) 29
  35. 35.Which number is the odd one out: 77, 96, 48, 42? (a) 77 (b) 96 (c) 48 (d) 42
  36. 36.Which number is the odd one out: 29, 59, 41, 51? (a) 29 (b) 59 (c) 41 (d) 51
  37. 37.Which number is the odd one out: 13, 66, 47, 17? (a) 13 (b) 66 (c) 47 (d) 17
  38. 38.Which number is the odd one out: 59, 19, 6, 3? (a) 59 (b) 19 (c) 6 (d) 3
  39. 39.Which number is the odd one out: 47, 17, 67, 82? (a) 47 (b) 17 (c) 67 (d) 82
  40. 40.Which number is the odd one out: 9, 31, 41, 67? (a) 9 (b) 31 (c) 41 (d) 67

Answer key

  1. 80
  2. 49
  3. 25
  4. 93
  5. 11
  6. 3
  7. 93
  8. 4
  9. 58
  10. 8
  11. 99
  12. 65
  13. 88
  14. 16
  15. 12
  16. 38
  17. 56
  18. 65
  19. 84
  20. 45
  21. 26
  22. 86
  23. 26
  24. 86
  25. 22
  26. 95
  27. 6
  28. 4
  29. 63
  30. 36
  31. 51
  32. 96
  33. 35
  34. 40
  35. 77
  36. 51
  37. 66
  38. 6
  39. 82
  40. 9

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