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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 291 · 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: 88, 64, 14, 49? (a) 88 (b) 64 (c) 14 (d) 49
  2. 2.Which number is the odd one out: 24, 96, 6, 35? (a) 24 (b) 96 (c) 6 (d) 35
  3. 3.Which number is the odd one out: 96, 98, 80, 60? (a) 96 (b) 98 (c) 80 (d) 60
  4. 4.Which number is the odd one out: 42, 5, 70, 66? (a) 42 (b) 5 (c) 70 (d) 66
  5. 5.Which number is the odd one out: 55, 4, 85, 10? (a) 55 (b) 4 (c) 85 (d) 10
  6. 6.Which number is the odd one out: 89, 50, 73, 59? (a) 89 (b) 50 (c) 73 (d) 59
  7. 7.Which number is the odd one out: 41, 56, 23, 11? (a) 41 (b) 56 (c) 23 (d) 11
  8. 8.Which number is the odd one out: 41, 71, 92, 59? (a) 41 (b) 71 (c) 92 (d) 59
  9. 9.Which number is the odd one out: 37, 56, 7, 19? (a) 37 (b) 56 (c) 7 (d) 19
  10. 10.Which number is the odd one out: 31, 3, 43, 33? (a) 31 (b) 3 (c) 43 (d) 33
  11. 11.Which number is the odd one out: 43, 47, 46, 13? (a) 43 (b) 47 (c) 46 (d) 13
  12. 12.Which number is the odd one out: 17, 67, 41, 86? (a) 17 (b) 67 (c) 41 (d) 86
  13. 13.Which number is the odd one out: 26, 22, 43, 58? (a) 26 (b) 22 (c) 43 (d) 58
  14. 14.Which number is the odd one out: 68, 73, 31, 23? (a) 68 (b) 73 (c) 31 (d) 23
  15. 15.Which number is the odd one out: 96, 51, 41, 89? (a) 96 (b) 51 (c) 41 (d) 89
  16. 16.Which number is the odd one out: 43, 97, 47, 68? (a) 43 (b) 97 (c) 47 (d) 68
  17. 17.Which number is the odd one out: 43, 69, 71, 3? (a) 43 (b) 69 (c) 71 (d) 3
  18. 18.Which number is the odd one out: 91, 77, 21, 33? (a) 91 (b) 77 (c) 21 (d) 33
  19. 19.Which number is the odd one out: 15, 21, 91, 77? (a) 15 (b) 21 (c) 91 (d) 77
  20. 20.Which number is the odd one out: 31, 83, 16, 43? (a) 31 (b) 83 (c) 16 (d) 43
  21. 21.Which number is the odd one out: 18, 17, 5, 75? (a) 18 (b) 17 (c) 5 (d) 75
  22. 22.Which number is the odd one out: 89, 56, 67, 37? (a) 89 (b) 56 (c) 67 (d) 37
  23. 23.Which number is the odd one out: 8, 24, 13, 48? (a) 8 (b) 24 (c) 13 (d) 48
  24. 24.Which number is the odd one out: 99, 47, 53, 29? (a) 99 (b) 47 (c) 53 (d) 29
  25. 25.Which number is the odd one out: 5, 31, 19, 50? (a) 5 (b) 31 (c) 19 (d) 50
  26. 26.Which number is the odd one out: 52, 11, 23, 41? (a) 52 (b) 11 (c) 23 (d) 41
  27. 27.Which number is the odd one out: 56, 17, 19, 89? (a) 56 (b) 17 (c) 19 (d) 89
  28. 28.Which number is the odd one out: 93, 11, 37, 59? (a) 93 (b) 11 (c) 37 (d) 59
  29. 29.Which number is the odd one out: 4, 76, 81, 38? (a) 4 (b) 76 (c) 81 (d) 38
  30. 30.Which number is the odd one out: 29, 61, 71, 60? (a) 29 (b) 61 (c) 71 (d) 60
  31. 31.Which number is the odd one out: 83, 19, 99, 67? (a) 83 (b) 19 (c) 99 (d) 67
  32. 32.Which number is the odd one out: 70, 11, 7, 73? (a) 70 (b) 11 (c) 7 (d) 73
  33. 33.Which number is the odd one out: 81, 9, 78, 27? (a) 81 (b) 9 (c) 78 (d) 27
  34. 34.Which number is the odd one out: 76, 13, 89, 23? (a) 76 (b) 13 (c) 89 (d) 23
  35. 35.Which number is the odd one out: 85, 32, 65, 95? (a) 85 (b) 32 (c) 65 (d) 95
  36. 36.Which number is the odd one out: 67, 42, 93, 97? (a) 67 (b) 42 (c) 93 (d) 97
  37. 37.Which number is the odd one out: 18, 29, 97, 61? (a) 18 (b) 29 (c) 97 (d) 61
  38. 38.Which number is the odd one out: 82, 2, 17, 41? (a) 82 (b) 2 (c) 17 (d) 41
  39. 39.Which number is the odd one out: 98, 56, 14, 72? (a) 98 (b) 56 (c) 14 (d) 72
  40. 40.Which number is the odd one out: 94, 41, 73, 97? (a) 94 (b) 41 (c) 73 (d) 97

Answer key

  1. 49
  2. 35
  3. 98
  4. 5
  5. 4
  6. 50
  7. 56
  8. 92
  9. 56
  10. 33
  11. 46
  12. 86
  13. 43
  14. 68
  15. 96
  16. 68
  17. 69
  18. 33
  19. 15
  20. 16
  21. 18
  22. 56
  23. 13
  24. 99
  25. 50
  26. 52
  27. 56
  28. 93
  29. 81
  30. 60
  31. 99
  32. 70
  33. 78
  34. 76
  35. 32
  36. 42
  37. 18
  38. 82
  39. 72
  40. 94

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