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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 20 · 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: 83, 67, 4, 37? (a) 83 (b) 67 (c) 4 (d) 37
  2. 2.Which number is the odd one out: 48, 65, 96, 24? (a) 48 (b) 65 (c) 96 (d) 24
  3. 3.Which number is the odd one out: 27, 48, 45, 75? (a) 27 (b) 48 (c) 45 (d) 75
  4. 4.Which number is the odd one out: 90, 9, 81, 60? (a) 90 (b) 9 (c) 81 (d) 60
  5. 5.Which number is the odd one out: 75, 99, 30, 90? (a) 75 (b) 99 (c) 30 (d) 90
  6. 6.Which number is the odd one out: 52, 80, 40, 57? (a) 52 (b) 80 (c) 40 (d) 57
  7. 7.Which number is the odd one out: 28, 17, 29, 37? (a) 28 (b) 17 (c) 29 (d) 37
  8. 8.Which number is the odd one out: 19, 18, 89, 2? (a) 19 (b) 18 (c) 89 (d) 2
  9. 9.Which number is the odd one out: 61, 41, 76, 29? (a) 61 (b) 41 (c) 76 (d) 29
  10. 10.Which number is the odd one out: 35, 7, 79, 50? (a) 35 (b) 7 (c) 79 (d) 50
  11. 11.Which number is the odd one out: 73, 72, 31, 43? (a) 73 (b) 72 (c) 31 (d) 43
  12. 12.Which number is the odd one out: 88, 23, 19, 79? (a) 88 (b) 23 (c) 19 (d) 79
  13. 13.Which number is the odd one out: 59, 83, 68, 89? (a) 59 (b) 83 (c) 68 (d) 89
  14. 14.Which number is the odd one out: 71, 38, 89, 47? (a) 71 (b) 38 (c) 89 (d) 47
  15. 15.Which number is the odd one out: 97, 89, 96, 59? (a) 97 (b) 89 (c) 96 (d) 59
  16. 16.Which number is the odd one out: 83, 30, 47, 23? (a) 83 (b) 30 (c) 47 (d) 23
  17. 17.Which number is the odd one out: 32, 9, 93, 81? (a) 32 (b) 9 (c) 93 (d) 81
  18. 18.Which number is the odd one out: 99, 31, 37, 73? (a) 99 (b) 31 (c) 37 (d) 73
  19. 19.Which number is the odd one out: 17, 37, 41, 26? (a) 17 (b) 37 (c) 41 (d) 26
  20. 20.Which number is the odd one out: 29, 17, 57, 67? (a) 29 (b) 17 (c) 57 (d) 67
  21. 21.Which number is the odd one out: 98, 77, 14, 41? (a) 98 (b) 77 (c) 14 (d) 41
  22. 22.Which number is the odd one out: 3, 83, 6, 41? (a) 3 (b) 83 (c) 6 (d) 41
  23. 23.Which number is the odd one out: 83, 58, 13, 79? (a) 83 (b) 58 (c) 13 (d) 79
  24. 24.Which number is the odd one out: 23, 2, 86, 83? (a) 23 (b) 2 (c) 86 (d) 83
  25. 25.Which number is the odd one out: 50, 65, 69, 10? (a) 50 (b) 65 (c) 69 (d) 10
  26. 26.Which number is the odd one out: 11, 59, 45, 17? (a) 11 (b) 59 (c) 45 (d) 17
  27. 27.Which number is the odd one out: 37, 80, 97, 83? (a) 37 (b) 80 (c) 97 (d) 83
  28. 28.Which number is the odd one out: 67, 11, 60, 97? (a) 67 (b) 11 (c) 60 (d) 97
  29. 29.Which number is the odd one out: 97, 41, 7, 49? (a) 97 (b) 41 (c) 7 (d) 49
  30. 30.Which number is the odd one out: 37, 56, 47, 79? (a) 37 (b) 56 (c) 47 (d) 79
  31. 31.Which number is the odd one out: 28, 67, 7, 19? (a) 28 (b) 67 (c) 7 (d) 19
  32. 32.Which number is the odd one out: 41, 40, 37, 23? (a) 41 (b) 40 (c) 37 (d) 23
  33. 33.Which number is the odd one out: 83, 31, 87, 18? (a) 83 (b) 31 (c) 87 (d) 18
  34. 34.Which number is the odd one out: 3, 13, 23, 63? (a) 3 (b) 13 (c) 23 (d) 63
  35. 35.Which number is the odd one out: 11, 83, 59, 93? (a) 11 (b) 83 (c) 59 (d) 93
  36. 36.Which number is the odd one out: 47, 98, 19, 83? (a) 47 (b) 98 (c) 19 (d) 83
  37. 37.Which number is the odd one out: 15, 59, 13, 71? (a) 15 (b) 59 (c) 13 (d) 71
  38. 38.Which number is the odd one out: 85, 73, 5, 55? (a) 85 (b) 73 (c) 5 (d) 55
  39. 39.Which number is the odd one out: 90, 16, 64, 4? (a) 90 (b) 16 (c) 64 (d) 4
  40. 40.Which number is the odd one out: 12, 96, 70, 24? (a) 12 (b) 96 (c) 70 (d) 24

Answer key

  1. 4
  2. 65
  3. 48
  4. 60
  5. 99
  6. 57
  7. 28
  8. 18
  9. 76
  10. 50
  11. 72
  12. 88
  13. 68
  14. 38
  15. 96
  16. 30
  17. 32
  18. 99
  19. 26
  20. 57
  21. 41
  22. 6
  23. 58
  24. 86
  25. 69
  26. 45
  27. 80
  28. 60
  29. 49
  30. 56
  31. 28
  32. 40
  33. 18
  34. 63
  35. 93
  36. 98
  37. 15
  38. 73
  39. 90
  40. 70

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