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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 116 · 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: 17, 53, 60, 47? (a) 17 (b) 53 (c) 60 (d) 47
  2. 2.Which number is the odd one out: 70, 71, 29, 23? (a) 70 (b) 71 (c) 29 (d) 23
  3. 3.Which number is the odd one out: 54, 81, 60, 9? (a) 54 (b) 81 (c) 60 (d) 9
  4. 4.Which number is the odd one out: 29, 72, 51, 41? (a) 29 (b) 72 (c) 51 (d) 41
  5. 5.Which number is the odd one out: 19, 76, 71, 89? (a) 19 (b) 76 (c) 71 (d) 89
  6. 6.Which number is the odd one out: 92, 16, 64, 88? (a) 92 (b) 16 (c) 64 (d) 88
  7. 7.Which number is the odd one out: 29, 88, 96, 12? (a) 29 (b) 88 (c) 96 (d) 12
  8. 8.Which number is the odd one out: 7, 31, 49, 11? (a) 7 (b) 31 (c) 49 (d) 11
  9. 9.Which number is the odd one out: 3, 71, 6, 97? (a) 3 (b) 71 (c) 6 (d) 97
  10. 10.Which number is the odd one out: 2, 66, 19, 31? (a) 2 (b) 66 (c) 19 (d) 31
  11. 11.Which number is the odd one out: 57, 69, 38, 39? (a) 57 (b) 69 (c) 38 (d) 39
  12. 12.Which number is the odd one out: 77, 14, 93, 98? (a) 77 (b) 14 (c) 93 (d) 98
  13. 13.Which number is the odd one out: 25, 19, 29, 37? (a) 25 (b) 19 (c) 29 (d) 37
  14. 14.Which number is the odd one out: 16, 67, 37, 41? (a) 16 (b) 67 (c) 37 (d) 41
  15. 15.Which number is the odd one out: 19, 13, 21, 31? (a) 19 (b) 13 (c) 21 (d) 31
  16. 16.Which number is the odd one out: 41, 11, 87, 13? (a) 41 (b) 11 (c) 87 (d) 13
  17. 17.Which number is the odd one out: 79, 74, 67, 31? (a) 79 (b) 74 (c) 67 (d) 31
  18. 18.Which number is the odd one out: 32, 96, 31, 24? (a) 32 (b) 96 (c) 31 (d) 24
  19. 19.Which number is the odd one out: 21, 14, 48, 77? (a) 21 (b) 14 (c) 48 (d) 77
  20. 20.Which number is the odd one out: 95, 66, 69, 30? (a) 95 (b) 66 (c) 69 (d) 30
  21. 21.Which number is the odd one out: 83, 89, 48, 31? (a) 83 (b) 89 (c) 48 (d) 31
  22. 22.Which number is the odd one out: 31, 85, 22, 5? (a) 31 (b) 85 (c) 22 (d) 5
  23. 23.Which number is the odd one out: 52, 16, 64, 19? (a) 52 (b) 16 (c) 64 (d) 19
  24. 24.Which number is the odd one out: 85, 70, 28, 55? (a) 85 (b) 70 (c) 28 (d) 55
  25. 25.Which number is the odd one out: 36, 47, 41, 31? (a) 36 (b) 47 (c) 41 (d) 31
  26. 26.Which number is the odd one out: 83, 71, 99, 13? (a) 83 (b) 71 (c) 99 (d) 13
  27. 27.Which number is the odd one out: 37, 78, 67, 47? (a) 37 (b) 78 (c) 67 (d) 47
  28. 28.Which number is the odd one out: 17, 13, 92, 19? (a) 17 (b) 13 (c) 92 (d) 19
  29. 29.Which number is the odd one out: 19, 59, 34, 29? (a) 19 (b) 59 (c) 34 (d) 29
  30. 30.Which number is the odd one out: 95, 89, 83, 37? (a) 95 (b) 89 (c) 83 (d) 37
  31. 31.Which number is the odd one out: 85, 88, 80, 22? (a) 85 (b) 88 (c) 80 (d) 22
  32. 32.Which number is the odd one out: 31, 37, 73, 77? (a) 31 (b) 37 (c) 73 (d) 77
  33. 33.Which number is the odd one out: 4, 64, 85, 8? (a) 4 (b) 64 (c) 85 (d) 8
  34. 34.Which number is the odd one out: 95, 19, 37, 59? (a) 95 (b) 19 (c) 37 (d) 59
  35. 35.Which number is the odd one out: 27, 47, 61, 37? (a) 27 (b) 47 (c) 61 (d) 37
  36. 36.Which number is the odd one out: 30, 60, 79, 44? (a) 30 (b) 60 (c) 79 (d) 44
  37. 37.Which number is the odd one out: 67, 20, 53, 2? (a) 67 (b) 20 (c) 53 (d) 2
  38. 38.Which number is the odd one out: 59, 89, 19, 20? (a) 59 (b) 89 (c) 19 (d) 20
  39. 39.Which number is the odd one out: 50, 99, 45, 33? (a) 50 (b) 99 (c) 45 (d) 33
  40. 40.Which number is the odd one out: 56, 92, 7, 8? (a) 56 (b) 92 (c) 7 (d) 8

Answer key

  1. 60
  2. 70
  3. 60
  4. 72
  5. 76
  6. 92
  7. 29
  8. 49
  9. 6
  10. 66
  11. 38
  12. 93
  13. 25
  14. 16
  15. 21
  16. 87
  17. 74
  18. 31
  19. 48
  20. 95
  21. 48
  22. 22
  23. 19
  24. 28
  25. 36
  26. 99
  27. 78
  28. 92
  29. 34
  30. 95
  31. 85
  32. 77
  33. 85
  34. 95
  35. 27
  36. 79
  37. 20
  38. 20
  39. 50
  40. 7

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