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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 374 · 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: 65, 95, 55, 67? (a) 65 (b) 95 (c) 55 (d) 67
  2. 2.Which number is the odd one out: 5, 2, 10, 55? (a) 5 (b) 2 (c) 10 (d) 55
  3. 3.Which number is the odd one out: 16, 4, 64, 83? (a) 16 (b) 4 (c) 64 (d) 83
  4. 4.Which number is the odd one out: 75, 55, 85, 81? (a) 75 (b) 55 (c) 85 (d) 81
  5. 5.Which number is the odd one out: 59, 13, 28, 97? (a) 59 (b) 13 (c) 28 (d) 97
  6. 6.Which number is the odd one out: 30, 97, 19, 79? (a) 30 (b) 97 (c) 19 (d) 79
  7. 7.Which number is the odd one out: 56, 97, 71, 53? (a) 56 (b) 97 (c) 71 (d) 53
  8. 8.Which number is the odd one out: 48, 72, 98, 54? (a) 48 (b) 72 (c) 98 (d) 54
  9. 9.Which number is the odd one out: 17, 31, 47, 16? (a) 17 (b) 31 (c) 47 (d) 16
  10. 10.Which number is the odd one out: 78, 96, 66, 32? (a) 78 (b) 96 (c) 66 (d) 32
  11. 11.Which number is the odd one out: 47, 13, 70, 59? (a) 47 (b) 13 (c) 70 (d) 59
  12. 12.Which number is the odd one out: 38, 88, 76, 32? (a) 38 (b) 88 (c) 76 (d) 32
  13. 13.Which number is the odd one out: 32, 4, 96, 48? (a) 32 (b) 4 (c) 96 (d) 48
  14. 14.Which number is the odd one out: 32, 79, 19, 31? (a) 32 (b) 79 (c) 19 (d) 31
  15. 15.Which number is the odd one out: 85, 73, 19, 67? (a) 85 (b) 73 (c) 19 (d) 67
  16. 16.Which number is the odd one out: 87, 79, 61, 31? (a) 87 (b) 79 (c) 61 (d) 31
  17. 17.Which number is the odd one out: 10, 31, 41, 61? (a) 10 (b) 31 (c) 41 (d) 61
  18. 18.Which number is the odd one out: 92, 73, 67, 2? (a) 92 (b) 73 (c) 67 (d) 2
  19. 19.Which number is the odd one out: 17, 63, 89, 13? (a) 17 (b) 63 (c) 89 (d) 13
  20. 20.Which number is the odd one out: 61, 17, 66, 37? (a) 61 (b) 17 (c) 66 (d) 37
  21. 21.Which number is the odd one out: 83, 19, 10, 89? (a) 83 (b) 19 (c) 10 (d) 89
  22. 22.Which number is the odd one out: 83, 59, 41, 88? (a) 83 (b) 59 (c) 41 (d) 88
  23. 23.Which number is the odd one out: 59, 38, 31, 13? (a) 59 (b) 38 (c) 31 (d) 13
  24. 24.Which number is the odd one out: 68, 97, 83, 59? (a) 68 (b) 97 (c) 83 (d) 59
  25. 25.Which number is the odd one out: 78, 53, 59, 89? (a) 78 (b) 53 (c) 59 (d) 89
  26. 26.Which number is the odd one out: 42, 61, 79, 71? (a) 42 (b) 61 (c) 79 (d) 71
  27. 27.Which number is the odd one out: 12, 40, 18, 54? (a) 12 (b) 40 (c) 18 (d) 54
  28. 28.Which number is the odd one out: 26, 97, 41, 61? (a) 26 (b) 97 (c) 41 (d) 61
  29. 29.Which number is the odd one out: 14, 98, 70, 15? (a) 14 (b) 98 (c) 70 (d) 15
  30. 30.Which number is the odd one out: 98, 14, 85, 86? (a) 98 (b) 14 (c) 85 (d) 86
  31. 31.Which number is the odd one out: 59, 2, 29, 24? (a) 59 (b) 2 (c) 29 (d) 24
  32. 32.Which number is the odd one out: 40, 5, 53, 97? (a) 40 (b) 5 (c) 53 (d) 97
  33. 33.Which number is the odd one out: 23, 17, 30, 3? (a) 23 (b) 17 (c) 30 (d) 3
  34. 34.Which number is the odd one out: 83, 5, 10, 97? (a) 83 (b) 5 (c) 10 (d) 97
  35. 35.Which number is the odd one out: 67, 14, 71, 29? (a) 67 (b) 14 (c) 71 (d) 29
  36. 36.Which number is the odd one out: 37, 96, 89, 41? (a) 37 (b) 96 (c) 89 (d) 41
  37. 37.Which number is the odd one out: 32, 55, 8, 88? (a) 32 (b) 55 (c) 8 (d) 88
  38. 38.Which number is the odd one out: 45, 9, 81, 30? (a) 45 (b) 9 (c) 81 (d) 30
  39. 39.Which number is the odd one out: 77, 14, 72, 63? (a) 77 (b) 14 (c) 72 (d) 63
  40. 40.Which number is the odd one out: 73, 97, 58, 37? (a) 73 (b) 97 (c) 58 (d) 37

Answer key

  1. 67
  2. 2
  3. 83
  4. 81
  5. 28
  6. 30
  7. 56
  8. 98
  9. 16
  10. 32
  11. 70
  12. 38
  13. 4
  14. 32
  15. 85
  16. 87
  17. 10
  18. 92
  19. 63
  20. 66
  21. 10
  22. 88
  23. 38
  24. 68
  25. 78
  26. 42
  27. 40
  28. 26
  29. 15
  30. 85
  31. 24
  32. 40
  33. 30
  34. 10
  35. 14
  36. 96
  37. 55
  38. 30
  39. 72
  40. 58

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