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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 134 · 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: 98, 31, 11, 53? (a) 98 (b) 31 (c) 11 (d) 53
  2. 2.Which number is the odd one out: 41, 53, 58, 13? (a) 41 (b) 53 (c) 58 (d) 13
  3. 3.Which number is the odd one out: 79, 60, 97, 67? (a) 79 (b) 60 (c) 97 (d) 67
  4. 4.Which number is the odd one out: 43, 22, 11, 89? (a) 43 (b) 22 (c) 11 (d) 89
  5. 5.Which number is the odd one out: 16, 52, 4, 64? (a) 16 (b) 52 (c) 4 (d) 64
  6. 6.Which number is the odd one out: 18, 9, 60, 81? (a) 18 (b) 9 (c) 60 (d) 81
  7. 7.Which number is the odd one out: 47, 26, 61, 67? (a) 47 (b) 26 (c) 61 (d) 67
  8. 8.Which number is the odd one out: 64, 3, 16, 88? (a) 64 (b) 3 (c) 16 (d) 88
  9. 9.Which number is the odd one out: 13, 71, 91, 43? (a) 13 (b) 71 (c) 91 (d) 43
  10. 10.Which number is the odd one out: 97, 87, 66, 19? (a) 97 (b) 87 (c) 66 (d) 19
  11. 11.Which number is the odd one out: 89, 28, 29, 61? (a) 89 (b) 28 (c) 29 (d) 61
  12. 12.Which number is the odd one out: 87, 83, 13, 67? (a) 87 (b) 83 (c) 13 (d) 67
  13. 13.Which number is the odd one out: 37, 31, 47, 14? (a) 37 (b) 31 (c) 47 (d) 14
  14. 14.Which number is the odd one out: 11, 67, 89, 46? (a) 11 (b) 67 (c) 89 (d) 46
  15. 15.Which number is the odd one out: 97, 83, 17, 21? (a) 97 (b) 83 (c) 17 (d) 21
  16. 16.Which number is the odd one out: 19, 83, 90, 31? (a) 19 (b) 83 (c) 90 (d) 31
  17. 17.Which number is the odd one out: 37, 30, 17, 3? (a) 37 (b) 30 (c) 17 (d) 3
  18. 18.Which number is the odd one out: 53, 31, 26, 13? (a) 53 (b) 31 (c) 26 (d) 13
  19. 19.Which number is the odd one out: 95, 85, 51, 65? (a) 95 (b) 85 (c) 51 (d) 65
  20. 20.Which number is the odd one out: 97, 79, 11, 77? (a) 97 (b) 79 (c) 11 (d) 77
  21. 21.Which number is the odd one out: 84, 51, 35, 95? (a) 84 (b) 51 (c) 35 (d) 95
  22. 22.Which number is the odd one out: 32, 43, 24, 48? (a) 32 (b) 43 (c) 24 (d) 48
  23. 23.Which number is the odd one out: 19, 56, 73, 47? (a) 19 (b) 56 (c) 73 (d) 47
  24. 24.Which number is the odd one out: 83, 59, 43, 88? (a) 83 (b) 59 (c) 43 (d) 88
  25. 25.Which number is the odd one out: 21, 14, 39, 98? (a) 21 (b) 14 (c) 39 (d) 98
  26. 26.Which number is the odd one out: 9, 31, 97, 19? (a) 9 (b) 31 (c) 97 (d) 19
  27. 27.Which number is the odd one out: 3, 12, 37, 59? (a) 3 (b) 12 (c) 37 (d) 59
  28. 28.Which number is the odd one out: 30, 73, 61, 85? (a) 30 (b) 73 (c) 61 (d) 85
  29. 29.Which number is the odd one out: 2, 18, 13, 17? (a) 2 (b) 18 (c) 13 (d) 17
  30. 30.Which number is the odd one out: 45, 83, 23, 41? (a) 45 (b) 83 (c) 23 (d) 41
  31. 31.Which number is the odd one out: 18, 64, 72, 54? (a) 18 (b) 64 (c) 72 (d) 54
  32. 32.Which number is the odd one out: 11, 33, 31, 83? (a) 11 (b) 33 (c) 31 (d) 83
  33. 33.Which number is the odd one out: 75, 48, 95, 55? (a) 75 (b) 48 (c) 95 (d) 55
  34. 34.Which number is the odd one out: 47, 3, 84, 79? (a) 47 (b) 3 (c) 84 (d) 79
  35. 35.Which number is the odd one out: 97, 59, 33, 71? (a) 97 (b) 59 (c) 33 (d) 71
  36. 36.Which number is the odd one out: 2, 13, 43, 36? (a) 2 (b) 13 (c) 43 (d) 36
  37. 37.Which number is the odd one out: 89, 33, 29, 97? (a) 89 (b) 33 (c) 29 (d) 97
  38. 38.Which number is the odd one out: 18, 45, 48, 24? (a) 18 (b) 45 (c) 48 (d) 24
  39. 39.Which number is the odd one out: 78, 29, 89, 43? (a) 78 (b) 29 (c) 89 (d) 43
  40. 40.Which number is the odd one out: 89, 68, 43, 11? (a) 89 (b) 68 (c) 43 (d) 11

Answer key

  1. 98
  2. 58
  3. 60
  4. 22
  5. 52
  6. 60
  7. 26
  8. 3
  9. 91
  10. 66
  11. 28
  12. 87
  13. 14
  14. 46
  15. 21
  16. 90
  17. 30
  18. 26
  19. 51
  20. 77
  21. 84
  22. 43
  23. 56
  24. 88
  25. 39
  26. 9
  27. 12
  28. 30
  29. 18
  30. 45
  31. 64
  32. 33
  33. 48
  34. 84
  35. 33
  36. 36
  37. 33
  38. 45
  39. 78
  40. 68

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