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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 606 · 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: 77, 98, 71, 14? (a) 77 (b) 98 (c) 71 (d) 14
  2. 2.Which number is the odd one out: 64, 71, 2, 61? (a) 64 (b) 71 (c) 2 (d) 61
  3. 3.Which number is the odd one out: 85, 91, 55, 35? (a) 85 (b) 91 (c) 55 (d) 35
  4. 4.Which number is the odd one out: 13, 79, 68, 37? (a) 13 (b) 79 (c) 68 (d) 37
  5. 5.Which number is the odd one out: 8, 2, 29, 67? (a) 8 (b) 2 (c) 29 (d) 67
  6. 6.Which number is the odd one out: 17, 78, 11, 47? (a) 17 (b) 78 (c) 11 (d) 47
  7. 7.Which number is the odd one out: 54, 99, 78, 6? (a) 54 (b) 99 (c) 78 (d) 6
  8. 8.Which number is the odd one out: 38, 73, 44, 52? (a) 38 (b) 73 (c) 44 (d) 52
  9. 9.Which number is the odd one out: 57, 13, 19, 79? (a) 57 (b) 13 (c) 19 (d) 79
  10. 10.Which number is the odd one out: 16, 32, 87, 64? (a) 16 (b) 32 (c) 87 (d) 64
  11. 11.Which number is the odd one out: 19, 89, 11, 32? (a) 19 (b) 89 (c) 11 (d) 32
  12. 12.Which number is the odd one out: 6, 86, 59, 66? (a) 6 (b) 86 (c) 59 (d) 66
  13. 13.Which number is the odd one out: 52, 44, 91, 76? (a) 52 (b) 44 (c) 91 (d) 76
  14. 14.Which number is the odd one out: 67, 83, 97, 69? (a) 67 (b) 83 (c) 97 (d) 69
  15. 15.Which number is the odd one out: 84, 7, 17, 11? (a) 84 (b) 7 (c) 17 (d) 11
  16. 16.Which number is the odd one out: 23, 17, 64, 13? (a) 23 (b) 17 (c) 64 (d) 13
  17. 17.Which number is the odd one out: 12, 37, 3, 53? (a) 12 (b) 37 (c) 3 (d) 53
  18. 18.Which number is the odd one out: 32, 48, 6, 66? (a) 32 (b) 48 (c) 6 (d) 66
  19. 19.Which number is the odd one out: 89, 11, 43, 46? (a) 89 (b) 11 (c) 43 (d) 46
  20. 20.Which number is the odd one out: 73, 79, 30, 37? (a) 73 (b) 79 (c) 30 (d) 37
  21. 21.Which number is the odd one out: 26, 53, 43, 79? (a) 26 (b) 53 (c) 43 (d) 79
  22. 22.Which number is the odd one out: 76, 52, 44, 22? (a) 76 (b) 52 (c) 44 (d) 22
  23. 23.Which number is the odd one out: 8, 59, 79, 61? (a) 8 (b) 59 (c) 79 (d) 61
  24. 24.Which number is the odd one out: 78, 41, 43, 3? (a) 78 (b) 41 (c) 43 (d) 3
  25. 25.Which number is the odd one out: 73, 19, 95, 97? (a) 73 (b) 19 (c) 95 (d) 97
  26. 26.Which number is the odd one out: 23, 73, 41, 96? (a) 23 (b) 73 (c) 41 (d) 96
  27. 27.Which number is the odd one out: 3, 39, 52, 13? (a) 3 (b) 39 (c) 52 (d) 13
  28. 28.Which number is the odd one out: 97, 14, 83, 61? (a) 97 (b) 14 (c) 83 (d) 61
  29. 29.Which number is the odd one out: 34, 47, 43, 53? (a) 34 (b) 47 (c) 43 (d) 53
  30. 30.Which number is the odd one out: 67, 10, 5, 41? (a) 67 (b) 10 (c) 5 (d) 41
  31. 31.Which number is the odd one out: 56, 95, 50, 35? (a) 56 (b) 95 (c) 50 (d) 35
  32. 32.Which number is the odd one out: 97, 7, 49, 11? (a) 97 (b) 7 (c) 49 (d) 11
  33. 33.Which number is the odd one out: 13, 11, 48, 2? (a) 13 (b) 11 (c) 48 (d) 2
  34. 34.Which number is the odd one out: 30, 80, 18, 40? (a) 30 (b) 80 (c) 18 (d) 40
  35. 35.Which number is the odd one out: 62, 61, 59, 89? (a) 62 (b) 61 (c) 59 (d) 89
  36. 36.Which number is the odd one out: 48, 8, 77, 24? (a) 48 (b) 8 (c) 77 (d) 24
  37. 37.Which number is the odd one out: 68, 59, 73, 11? (a) 68 (b) 59 (c) 73 (d) 11
  38. 38.Which number is the odd one out: 42, 84, 74, 12? (a) 42 (b) 84 (c) 74 (d) 12
  39. 39.Which number is the odd one out: 75, 16, 4, 64? (a) 75 (b) 16 (c) 4 (d) 64
  40. 40.Which number is the odd one out: 53, 83, 31, 85? (a) 53 (b) 83 (c) 31 (d) 85

Answer key

  1. 71
  2. 64
  3. 91
  4. 68
  5. 8
  6. 78
  7. 99
  8. 73
  9. 57
  10. 87
  11. 32
  12. 59
  13. 91
  14. 69
  15. 84
  16. 64
  17. 12
  18. 32
  19. 46
  20. 30
  21. 26
  22. 22
  23. 8
  24. 78
  25. 95
  26. 96
  27. 52
  28. 14
  29. 34
  30. 10
  31. 56
  32. 49
  33. 48
  34. 18
  35. 62
  36. 77
  37. 68
  38. 74
  39. 75
  40. 85

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