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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 895 · 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: 11, 88, 64, 16? (a) 11 (b) 88 (c) 64 (d) 16
  2. 2.Which number is the odd one out: 73, 41, 29, 34? (a) 73 (b) 41 (c) 29 (d) 34
  3. 3.Which number is the odd one out: 25, 88, 16, 92? (a) 25 (b) 88 (c) 16 (d) 92
  4. 4.Which number is the odd one out: 14, 13, 59, 23? (a) 14 (b) 13 (c) 59 (d) 23
  5. 5.Which number is the odd one out: 6, 64, 16, 88? (a) 6 (b) 64 (c) 16 (d) 88
  6. 6.Which number is the odd one out: 96, 60, 40, 31? (a) 96 (b) 60 (c) 40 (d) 31
  7. 7.Which number is the odd one out: 2, 61, 14, 29? (a) 2 (b) 61 (c) 14 (d) 29
  8. 8.Which number is the odd one out: 56, 88, 35, 92? (a) 56 (b) 88 (c) 35 (d) 92
  9. 9.Which number is the odd one out: 71, 4, 23, 59? (a) 71 (b) 4 (c) 23 (d) 59
  10. 10.Which number is the odd one out: 22, 32, 87, 88? (a) 22 (b) 32 (c) 87 (d) 88
  11. 11.Which number is the odd one out: 73, 41, 5, 80? (a) 73 (b) 41 (c) 5 (d) 80
  12. 12.Which number is the odd one out: 30, 62, 95, 6? (a) 30 (b) 62 (c) 95 (d) 6
  13. 13.Which number is the odd one out: 36, 40, 96, 80? (a) 36 (b) 40 (c) 96 (d) 80
  14. 14.Which number is the odd one out: 20, 31, 17, 89? (a) 20 (b) 31 (c) 17 (d) 89
  15. 15.Which number is the odd one out: 16, 91, 32, 64? (a) 16 (b) 91 (c) 32 (d) 64
  16. 16.Which number is the odd one out: 35, 73, 79, 71? (a) 35 (b) 73 (c) 79 (d) 71
  17. 17.Which number is the odd one out: 89, 39, 31, 18? (a) 89 (b) 39 (c) 31 (d) 18
  18. 18.Which number is the odd one out: 43, 66, 61, 31? (a) 43 (b) 66 (c) 61 (d) 31
  19. 19.Which number is the odd one out: 59, 83, 30, 3? (a) 59 (b) 83 (c) 30 (d) 3
  20. 20.Which number is the odd one out: 32, 48, 96, 24? (a) 32 (b) 48 (c) 96 (d) 24
  21. 21.Which number is the odd one out: 19, 6, 41, 11? (a) 19 (b) 6 (c) 41 (d) 11
  22. 22.Which number is the odd one out: 29, 71, 83, 77? (a) 29 (b) 71 (c) 83 (d) 77
  23. 23.Which number is the odd one out: 35, 40, 88, 32? (a) 35 (b) 40 (c) 88 (d) 32
  24. 24.Which number is the odd one out: 94, 31, 44, 92? (a) 94 (b) 31 (c) 44 (d) 92
  25. 25.Which number is the odd one out: 55, 83, 13, 89? (a) 55 (b) 83 (c) 13 (d) 89
  26. 26.Which number is the odd one out: 17, 10, 31, 5? (a) 17 (b) 10 (c) 31 (d) 5
  27. 27.Which number is the odd one out: 90, 20, 76, 92? (a) 90 (b) 20 (c) 76 (d) 92
  28. 28.Which number is the odd one out: 12, 89, 41, 13? (a) 12 (b) 89 (c) 41 (d) 13
  29. 29.Which number is the odd one out: 3, 44, 52, 58? (a) 3 (b) 44 (c) 52 (d) 58
  30. 30.Which number is the odd one out: 39, 44, 82, 52? (a) 39 (b) 44 (c) 82 (d) 52
  31. 31.Which number is the odd one out: 59, 71, 23, 24? (a) 59 (b) 71 (c) 23 (d) 24
  32. 32.Which number is the odd one out: 67, 19, 76, 59? (a) 67 (b) 19 (c) 76 (d) 59
  33. 33.Which number is the odd one out: 47, 22, 61, 31? (a) 47 (b) 22 (c) 61 (d) 31
  34. 34.Which number is the odd one out: 86, 13, 17, 47? (a) 86 (b) 13 (c) 17 (d) 47
  35. 35.Which number is the odd one out: 71, 83, 11, 35? (a) 71 (b) 83 (c) 11 (d) 35
  36. 36.Which number is the odd one out: 83, 73, 37, 48? (a) 83 (b) 73 (c) 37 (d) 48
  37. 37.Which number is the odd one out: 23, 43, 44, 67? (a) 23 (b) 43 (c) 44 (d) 67
  38. 38.Which number is the odd one out: 37, 32, 97, 11? (a) 37 (b) 32 (c) 97 (d) 11
  39. 39.Which number is the odd one out: 64, 56, 42, 16? (a) 64 (b) 56 (c) 42 (d) 16
  40. 40.Which number is the odd one out: 71, 97, 29, 35? (a) 71 (b) 97 (c) 29 (d) 35

Answer key

  1. 11
  2. 34
  3. 25
  4. 14
  5. 6
  6. 31
  7. 14
  8. 35
  9. 4
  10. 87
  11. 80
  12. 95
  13. 36
  14. 20
  15. 91
  16. 35
  17. 18
  18. 66
  19. 30
  20. 32
  21. 6
  22. 77
  23. 35
  24. 31
  25. 55
  26. 10
  27. 90
  28. 12
  29. 3
  30. 39
  31. 24
  32. 76
  33. 22
  34. 86
  35. 35
  36. 48
  37. 44
  38. 32
  39. 42
  40. 35

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