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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 334 · 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: 41, 7, 28, 11? (a) 41 (b) 7 (c) 28 (d) 11
  2. 2.Which number is the odd one out: 2, 71, 60, 97? (a) 2 (b) 71 (c) 60 (d) 97
  3. 3.Which number is the odd one out: 67, 97, 41, 92? (a) 67 (b) 97 (c) 41 (d) 92
  4. 4.Which number is the odd one out: 58, 74, 67, 34? (a) 58 (b) 74 (c) 67 (d) 34
  5. 5.Which number is the odd one out: 5, 33, 87, 3? (a) 5 (b) 33 (c) 87 (d) 3
  6. 6.Which number is the odd one out: 96, 89, 48, 24? (a) 96 (b) 89 (c) 48 (d) 24
  7. 7.Which number is the odd one out: 23, 78, 39, 29? (a) 23 (b) 78 (c) 39 (d) 29
  8. 8.Which number is the odd one out: 70, 29, 47, 17? (a) 70 (b) 29 (c) 47 (d) 17
  9. 9.Which number is the odd one out: 39, 18, 54, 19? (a) 39 (b) 18 (c) 54 (d) 19
  10. 10.Which number is the odd one out: 46, 37, 17, 67? (a) 46 (b) 37 (c) 17 (d) 67
  11. 11.Which number is the odd one out: 77, 43, 37, 41? (a) 77 (b) 43 (c) 37 (d) 41
  12. 12.Which number is the odd one out: 97, 80, 43, 47? (a) 97 (b) 80 (c) 43 (d) 47
  13. 13.Which number is the odd one out: 59, 13, 31, 46? (a) 59 (b) 13 (c) 31 (d) 46
  14. 14.Which number is the odd one out: 26, 58, 63, 46? (a) 26 (b) 58 (c) 63 (d) 46
  15. 15.Which number is the odd one out: 2, 31, 71, 23? (a) 2 (b) 31 (c) 71 (d) 23
  16. 16.Which number is the odd one out: 88, 18, 24, 8? (a) 88 (b) 18 (c) 24 (d) 8
  17. 17.Which number is the odd one out: 37, 98, 41, 29? (a) 37 (b) 98 (c) 41 (d) 29
  18. 18.Which number is the odd one out: 41, 75, 11, 17? (a) 41 (b) 75 (c) 11 (d) 17
  19. 19.Which number is the odd one out: 7, 28, 29, 47? (a) 7 (b) 28 (c) 29 (d) 47
  20. 20.Which number is the odd one out: 39, 18, 90, 30? (a) 39 (b) 18 (c) 90 (d) 30
  21. 21.Which number is the odd one out: 96, 24, 32, 17? (a) 96 (b) 24 (c) 32 (d) 17
  22. 22.Which number is the odd one out: 22, 71, 23, 59? (a) 22 (b) 71 (c) 23 (d) 59
  23. 23.Which number is the odd one out: 16, 79, 88, 64? (a) 16 (b) 79 (c) 88 (d) 64
  24. 24.Which number is the odd one out: 44, 67, 43, 17? (a) 44 (b) 67 (c) 43 (d) 17
  25. 25.Which number is the odd one out: 13, 19, 87, 47? (a) 13 (b) 19 (c) 87 (d) 47
  26. 26.Which number is the odd one out: 6, 44, 8, 24? (a) 6 (b) 44 (c) 8 (d) 24
  27. 27.Which number is the odd one out: 2, 11, 20, 5? (a) 2 (b) 11 (c) 20 (d) 5
  28. 28.Which number is the odd one out: 89, 45, 3, 11? (a) 89 (b) 45 (c) 3 (d) 11
  29. 29.Which number is the odd one out: 17, 23, 59, 22? (a) 17 (b) 23 (c) 59 (d) 22
  30. 30.Which number is the odd one out: 63, 58, 38, 74? (a) 63 (b) 58 (c) 38 (d) 74
  31. 31.Which number is the odd one out: 45, 23, 61, 11? (a) 45 (b) 23 (c) 61 (d) 11
  32. 32.Which number is the odd one out: 90, 54, 78, 85? (a) 90 (b) 54 (c) 78 (d) 85
  33. 33.Which number is the odd one out: 59, 47, 25, 73? (a) 59 (b) 47 (c) 25 (d) 73
  34. 34.Which number is the odd one out: 10, 13, 59, 11? (a) 10 (b) 13 (c) 59 (d) 11
  35. 35.Which number is the odd one out: 13, 48, 71, 11? (a) 13 (b) 48 (c) 71 (d) 11
  36. 36.Which number is the odd one out: 8, 17, 83, 41? (a) 8 (b) 17 (c) 83 (d) 41
  37. 37.Which number is the odd one out: 5, 41, 79, 30? (a) 5 (b) 41 (c) 79 (d) 30
  38. 38.Which number is the odd one out: 88, 64, 16, 21? (a) 88 (b) 64 (c) 16 (d) 21
  39. 39.Which number is the odd one out: 52, 51, 68, 44? (a) 52 (b) 51 (c) 68 (d) 44
  40. 40.Which number is the odd one out: 2, 11, 13, 34? (a) 2 (b) 11 (c) 13 (d) 34

Answer key

  1. 28
  2. 60
  3. 92
  4. 67
  5. 5
  6. 89
  7. 78
  8. 70
  9. 19
  10. 46
  11. 77
  12. 80
  13. 46
  14. 63
  15. 2
  16. 18
  17. 98
  18. 75
  19. 28
  20. 39
  21. 17
  22. 22
  23. 79
  24. 44
  25. 87
  26. 6
  27. 20
  28. 45
  29. 22
  30. 63
  31. 45
  32. 85
  33. 25
  34. 10
  35. 48
  36. 8
  37. 30
  38. 21
  39. 51
  40. 34

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