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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 582 · 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: 89, 21, 59, 67? (a) 89 (b) 21 (c) 59 (d) 67
  2. 2.Which number is the odd one out: 31, 83, 43, 38? (a) 31 (b) 83 (c) 43 (d) 38
  3. 3.Which number is the odd one out: 24, 14, 96, 12? (a) 24 (b) 14 (c) 96 (d) 12
  4. 4.Which number is the odd one out: 89, 37, 76, 11? (a) 89 (b) 37 (c) 76 (d) 11
  5. 5.Which number is the odd one out: 3, 89, 51, 19? (a) 3 (b) 89 (c) 51 (d) 19
  6. 6.Which number is the odd one out: 81, 72, 66, 96? (a) 81 (b) 72 (c) 66 (d) 96
  7. 7.Which number is the odd one out: 23, 29, 48, 47? (a) 23 (b) 29 (c) 48 (d) 47
  8. 8.Which number is the odd one out: 79, 9, 11, 97? (a) 79 (b) 9 (c) 11 (d) 97
  9. 9.Which number is the odd one out: 97, 9, 81, 99? (a) 97 (b) 9 (c) 81 (d) 99
  10. 10.Which number is the odd one out: 57, 89, 3, 71? (a) 57 (b) 89 (c) 3 (d) 71
  11. 11.Which number is the odd one out: 86, 26, 87, 46? (a) 86 (b) 26 (c) 87 (d) 46
  12. 12.Which number is the odd one out: 72, 24, 18, 48? (a) 72 (b) 24 (c) 18 (d) 48
  13. 13.Which number is the odd one out: 41, 3, 93, 47? (a) 41 (b) 3 (c) 93 (d) 47
  14. 14.Which number is the odd one out: 3, 31, 11, 54? (a) 3 (b) 31 (c) 11 (d) 54
  15. 15.Which number is the odd one out: 18, 89, 54, 27? (a) 18 (b) 89 (c) 54 (d) 27
  16. 16.Which number is the odd one out: 65, 8, 96, 24? (a) 65 (b) 8 (c) 96 (d) 24
  17. 17.Which number is the odd one out: 71, 5, 59, 80? (a) 71 (b) 5 (c) 59 (d) 80
  18. 18.Which number is the odd one out: 64, 48, 32, 36? (a) 64 (b) 48 (c) 32 (d) 36
  19. 19.Which number is the odd one out: 54, 18, 66, 94? (a) 54 (b) 18 (c) 66 (d) 94
  20. 20.Which number is the odd one out: 19, 26, 97, 2? (a) 19 (b) 26 (c) 97 (d) 2
  21. 21.Which number is the odd one out: 19, 17, 41, 98? (a) 19 (b) 17 (c) 41 (d) 98
  22. 22.Which number is the odd one out: 19, 59, 33, 37? (a) 19 (b) 59 (c) 33 (d) 37
  23. 23.Which number is the odd one out: 8, 91, 16, 64? (a) 8 (b) 91 (c) 16 (d) 64
  24. 24.Which number is the odd one out: 11, 59, 32, 79? (a) 11 (b) 59 (c) 32 (d) 79
  25. 25.Which number is the odd one out: 94, 50, 38, 25? (a) 94 (b) 50 (c) 38 (d) 25
  26. 26.Which number is the odd one out: 32, 88, 24, 66? (a) 32 (b) 88 (c) 24 (d) 66
  27. 27.Which number is the odd one out: 2, 80, 73, 17? (a) 2 (b) 80 (c) 73 (d) 17
  28. 28.Which number is the odd one out: 78, 66, 8, 24? (a) 78 (b) 66 (c) 8 (d) 24
  29. 29.Which number is the odd one out: 19, 30, 23, 53? (a) 19 (b) 30 (c) 23 (d) 53
  30. 30.Which number is the odd one out: 52, 60, 20, 42? (a) 52 (b) 60 (c) 20 (d) 42
  31. 31.Which number is the odd one out: 43, 80, 29, 97? (a) 43 (b) 80 (c) 29 (d) 97
  32. 32.Which number is the odd one out: 19, 53, 31, 94? (a) 19 (b) 53 (c) 31 (d) 94
  33. 33.Which number is the odd one out: 2, 41, 38, 19? (a) 2 (b) 41 (c) 38 (d) 19
  34. 34.Which number is the odd one out: 29, 97, 16, 67? (a) 29 (b) 97 (c) 16 (d) 67
  35. 35.Which number is the odd one out: 88, 8, 83, 92? (a) 88 (b) 8 (c) 83 (d) 92
  36. 36.Which number is the odd one out: 67, 16, 17, 2? (a) 67 (b) 16 (c) 17 (d) 2
  37. 37.Which number is the odd one out: 50, 79, 97, 41? (a) 50 (b) 79 (c) 97 (d) 41
  38. 38.Which number is the odd one out: 57, 6, 33, 69? (a) 57 (b) 6 (c) 33 (d) 69
  39. 39.Which number is the odd one out: 31, 13, 11, 49? (a) 31 (b) 13 (c) 11 (d) 49
  40. 40.Which number is the odd one out: 12, 14, 68, 84? (a) 12 (b) 14 (c) 68 (d) 84

Answer key

  1. 21
  2. 38
  3. 14
  4. 76
  5. 51
  6. 81
  7. 48
  8. 9
  9. 97
  10. 57
  11. 87
  12. 18
  13. 93
  14. 54
  15. 89
  16. 65
  17. 80
  18. 36
  19. 94
  20. 26
  21. 98
  22. 33
  23. 91
  24. 32
  25. 25
  26. 66
  27. 80
  28. 8
  29. 30
  30. 42
  31. 80
  32. 94
  33. 38
  34. 16
  35. 83
  36. 16
  37. 50
  38. 6
  39. 49
  40. 14

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