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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 861 · 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: 59, 83, 67, 42? (a) 59 (b) 83 (c) 67 (d) 42
  2. 2.Which number is the odd one out: 79, 18, 87, 53? (a) 79 (b) 18 (c) 87 (d) 53
  3. 3.Which number is the odd one out: 64, 58, 16, 88? (a) 64 (b) 58 (c) 16 (d) 88
  4. 4.Which number is the odd one out: 15, 95, 75, 59? (a) 15 (b) 95 (c) 75 (d) 59
  5. 5.Which number is the odd one out: 90, 24, 80, 8? (a) 90 (b) 24 (c) 80 (d) 8
  6. 6.Which number is the odd one out: 13, 73, 11, 10? (a) 13 (b) 73 (c) 11 (d) 10
  7. 7.Which number is the odd one out: 76, 80, 30, 96? (a) 76 (b) 80 (c) 30 (d) 96
  8. 8.Which number is the odd one out: 41, 43, 56, 23? (a) 41 (b) 43 (c) 56 (d) 23
  9. 9.Which number is the odd one out: 45, 54, 85, 65? (a) 45 (b) 54 (c) 85 (d) 65
  10. 10.Which number is the odd one out: 23, 91, 61, 14? (a) 23 (b) 91 (c) 61 (d) 14
  11. 11.Which number is the odd one out: 59, 49, 79, 31? (a) 59 (b) 49 (c) 79 (d) 31
  12. 12.Which number is the odd one out: 2, 42, 13, 67? (a) 2 (b) 42 (c) 13 (d) 67
  13. 13.Which number is the odd one out: 16, 4, 64, 62? (a) 16 (b) 4 (c) 64 (d) 62
  14. 14.Which number is the odd one out: 80, 64, 9, 40? (a) 80 (b) 64 (c) 9 (d) 40
  15. 15.Which number is the odd one out: 89, 44, 23, 29? (a) 89 (b) 44 (c) 23 (d) 29
  16. 16.Which number is the odd one out: 37, 61, 94, 79? (a) 37 (b) 61 (c) 94 (d) 79
  17. 17.Which number is the odd one out: 89, 2, 22, 11? (a) 89 (b) 2 (c) 22 (d) 11
  18. 18.Which number is the odd one out: 62, 41, 23, 83? (a) 62 (b) 41 (c) 23 (d) 83
  19. 19.Which number is the odd one out: 12, 55, 6, 68? (a) 12 (b) 55 (c) 6 (d) 68
  20. 20.Which number is the odd one out: 51, 37, 41, 83? (a) 51 (b) 37 (c) 41 (d) 83
  21. 21.Which number is the odd one out: 89, 29, 73, 14? (a) 89 (b) 29 (c) 73 (d) 14
  22. 22.Which number is the odd one out: 43, 29, 33, 89? (a) 43 (b) 29 (c) 33 (d) 89
  23. 23.Which number is the odd one out: 19, 38, 89, 2? (a) 19 (b) 38 (c) 89 (d) 2
  24. 24.Which number is the odd one out: 94, 11, 47, 59? (a) 94 (b) 11 (c) 47 (d) 59
  25. 25.Which number is the odd one out: 59, 47, 30, 2? (a) 59 (b) 47 (c) 30 (d) 2
  26. 26.Which number is the odd one out: 72, 23, 37, 89? (a) 72 (b) 23 (c) 37 (d) 89
  27. 27.Which number is the odd one out: 19, 73, 72, 13? (a) 19 (b) 73 (c) 72 (d) 13
  28. 28.Which number is the odd one out: 33, 51, 55, 50? (a) 33 (b) 51 (c) 55 (d) 50
  29. 29.Which number is the odd one out: 28, 89, 56, 8? (a) 28 (b) 89 (c) 56 (d) 8
  30. 30.Which number is the odd one out: 47, 89, 11, 51? (a) 47 (b) 89 (c) 11 (d) 51
  31. 31.Which number is the odd one out: 13, 66, 53, 41? (a) 13 (b) 66 (c) 53 (d) 41
  32. 32.Which number is the odd one out: 91, 35, 5, 77? (a) 91 (b) 35 (c) 5 (d) 77
  33. 33.Which number is the odd one out: 27, 9, 81, 33? (a) 27 (b) 9 (c) 81 (d) 33
  34. 34.Which number is the odd one out: 96, 32, 94, 12? (a) 96 (b) 32 (c) 94 (d) 12
  35. 35.Which number is the odd one out: 32, 55, 20, 95? (a) 32 (b) 55 (c) 20 (d) 95
  36. 36.Which number is the odd one out: 41, 3, 75, 29? (a) 41 (b) 3 (c) 75 (d) 29
  37. 37.Which number is the odd one out: 79, 19, 59, 28? (a) 79 (b) 19 (c) 59 (d) 28
  38. 38.Which number is the odd one out: 97, 84, 43, 89? (a) 97 (b) 84 (c) 43 (d) 89
  39. 39.Which number is the odd one out: 83, 99, 73, 17? (a) 83 (b) 99 (c) 73 (d) 17
  40. 40.Which number is the odd one out: 64, 16, 66, 32? (a) 64 (b) 16 (c) 66 (d) 32

Answer key

  1. 42
  2. 18
  3. 58
  4. 59
  5. 90
  6. 10
  7. 30
  8. 56
  9. 54
  10. 14
  11. 49
  12. 42
  13. 62
  14. 9
  15. 44
  16. 94
  17. 22
  18. 62
  19. 55
  20. 51
  21. 14
  22. 33
  23. 38
  24. 94
  25. 30
  26. 72
  27. 72
  28. 50
  29. 89
  30. 51
  31. 66
  32. 5
  33. 33
  34. 94
  35. 32
  36. 75
  37. 28
  38. 84
  39. 99
  40. 66

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