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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 512 · 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: 29, 53, 31, 44? (a) 29 (b) 53 (c) 31 (d) 44
  2. 2.Which number is the odd one out: 12, 78, 68, 41? (a) 12 (b) 78 (c) 68 (d) 41
  3. 3.Which number is the odd one out: 41, 79, 71, 50? (a) 41 (b) 79 (c) 71 (d) 50
  4. 4.Which number is the odd one out: 41, 11, 13, 18? (a) 41 (b) 11 (c) 13 (d) 18
  5. 5.Which number is the odd one out: 17, 43, 37, 48? (a) 17 (b) 43 (c) 37 (d) 48
  6. 6.Which number is the odd one out: 59, 67, 83, 98? (a) 59 (b) 67 (c) 83 (d) 98
  7. 7.Which number is the odd one out: 75, 18, 27, 54? (a) 75 (b) 18 (c) 27 (d) 54
  8. 8.Which number is the odd one out: 75, 97, 83, 67? (a) 75 (b) 97 (c) 83 (d) 67
  9. 9.Which number is the odd one out: 88, 44, 51, 8? (a) 88 (b) 44 (c) 51 (d) 8
  10. 10.Which number is the odd one out: 2, 7, 56, 88? (a) 2 (b) 7 (c) 56 (d) 88
  11. 11.Which number is the odd one out: 13, 61, 43, 40? (a) 13 (b) 61 (c) 43 (d) 40
  12. 12.Which number is the odd one out: 22, 37, 31, 73? (a) 22 (b) 37 (c) 31 (d) 73
  13. 13.Which number is the odd one out: 34, 37, 23, 11? (a) 34 (b) 37 (c) 23 (d) 11
  14. 14.Which number is the odd one out: 2, 36, 23, 89? (a) 2 (b) 36 (c) 23 (d) 89
  15. 15.Which number is the odd one out: 84, 97, 31, 2? (a) 84 (b) 97 (c) 31 (d) 2
  16. 16.Which number is the odd one out: 17, 73, 23, 8? (a) 17 (b) 73 (c) 23 (d) 8
  17. 17.Which number is the odd one out: 47, 67, 16, 73? (a) 47 (b) 67 (c) 16 (d) 73
  18. 18.Which number is the odd one out: 41, 43, 3, 51? (a) 41 (b) 43 (c) 3 (d) 51
  19. 19.Which number is the odd one out: 64, 31, 67, 83? (a) 64 (b) 31 (c) 67 (d) 83
  20. 20.Which number is the odd one out: 59, 56, 23, 61? (a) 59 (b) 56 (c) 23 (d) 61
  21. 21.Which number is the odd one out: 19, 49, 89, 17? (a) 19 (b) 49 (c) 89 (d) 17
  22. 22.Which number is the odd one out: 83, 41, 56, 7? (a) 83 (b) 41 (c) 56 (d) 7
  23. 23.Which number is the odd one out: 17, 37, 98, 83? (a) 17 (b) 37 (c) 98 (d) 83
  24. 24.Which number is the odd one out: 54, 30, 61, 90? (a) 54 (b) 30 (c) 61 (d) 90
  25. 25.Which number is the odd one out: 67, 95, 23, 13? (a) 67 (b) 95 (c) 23 (d) 13
  26. 26.Which number is the odd one out: 46, 47, 23, 19? (a) 46 (b) 47 (c) 23 (d) 19
  27. 27.Which number is the odd one out: 71, 3, 45, 89? (a) 71 (b) 3 (c) 45 (d) 89
  28. 28.Which number is the odd one out: 97, 19, 3, 45? (a) 97 (b) 19 (c) 3 (d) 45
  29. 29.Which number is the odd one out: 41, 86, 53, 2? (a) 41 (b) 86 (c) 53 (d) 2
  30. 30.Which number is the odd one out: 11, 67, 30, 43? (a) 11 (b) 67 (c) 30 (d) 43
  31. 31.Which number is the odd one out: 83, 73, 5, 15? (a) 83 (b) 73 (c) 5 (d) 15
  32. 32.Which number is the odd one out: 97, 72, 53, 19? (a) 97 (b) 72 (c) 53 (d) 19
  33. 33.Which number is the odd one out: 31, 69, 47, 19? (a) 31 (b) 69 (c) 47 (d) 19
  34. 34.Which number is the odd one out: 56, 29, 97, 7? (a) 56 (b) 29 (c) 97 (d) 7
  35. 35.Which number is the odd one out: 31, 39, 37, 73? (a) 31 (b) 39 (c) 37 (d) 73
  36. 36.Which number is the odd one out: 92, 50, 80, 32? (a) 92 (b) 50 (c) 80 (d) 32
  37. 37.Which number is the odd one out: 61, 83, 60, 11? (a) 61 (b) 83 (c) 60 (d) 11
  38. 38.Which number is the odd one out: 46, 94, 74, 89? (a) 46 (b) 94 (c) 74 (d) 89
  39. 39.Which number is the odd one out: 2, 59, 97, 8? (a) 2 (b) 59 (c) 97 (d) 8
  40. 40.Which number is the odd one out: 53, 11, 43, 6? (a) 53 (b) 11 (c) 43 (d) 6

Answer key

  1. 44
  2. 41
  3. 50
  4. 18
  5. 48
  6. 98
  7. 75
  8. 75
  9. 51
  10. 7
  11. 40
  12. 22
  13. 34
  14. 36
  15. 84
  16. 8
  17. 16
  18. 51
  19. 64
  20. 56
  21. 49
  22. 56
  23. 98
  24. 61
  25. 95
  26. 46
  27. 45
  28. 45
  29. 86
  30. 30
  31. 15
  32. 72
  33. 69
  34. 56
  35. 39
  36. 50
  37. 60
  38. 89
  39. 8
  40. 6

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