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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 577 · 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: 56, 24, 42, 66? (a) 56 (b) 24 (c) 42 (d) 66
  2. 2.Which number is the odd one out: 29, 37, 59, 42? (a) 29 (b) 37 (c) 59 (d) 42
  3. 3.Which number is the odd one out: 15, 96, 24, 48? (a) 15 (b) 96 (c) 24 (d) 48
  4. 4.Which number is the odd one out: 79, 54, 2, 13? (a) 79 (b) 54 (c) 2 (d) 13
  5. 5.Which number is the odd one out: 29, 23, 7, 91? (a) 29 (b) 23 (c) 7 (d) 91
  6. 6.Which number is the odd one out: 31, 57, 18, 54? (a) 31 (b) 57 (c) 18 (d) 54
  7. 7.Which number is the odd one out: 11, 59, 25, 29? (a) 11 (b) 59 (c) 25 (d) 29
  8. 8.Which number is the odd one out: 17, 37, 67, 69? (a) 17 (b) 37 (c) 67 (d) 69
  9. 9.Which number is the odd one out: 61, 41, 22, 17? (a) 61 (b) 41 (c) 22 (d) 17
  10. 10.Which number is the odd one out: 73, 80, 47, 29? (a) 73 (b) 80 (c) 47 (d) 29
  11. 11.Which number is the odd one out: 71, 64, 16, 8? (a) 71 (b) 64 (c) 16 (d) 8
  12. 12.Which number is the odd one out: 7, 88, 8, 32? (a) 7 (b) 88 (c) 8 (d) 32
  13. 13.Which number is the odd one out: 19, 67, 83, 93? (a) 19 (b) 67 (c) 83 (d) 93
  14. 14.Which number is the odd one out: 37, 76, 88, 8? (a) 37 (b) 76 (c) 88 (d) 8
  15. 15.Which number is the odd one out: 97, 11, 9, 23? (a) 97 (b) 11 (c) 9 (d) 23
  16. 16.Which number is the odd one out: 70, 83, 47, 37? (a) 70 (b) 83 (c) 47 (d) 37
  17. 17.Which number is the odd one out: 13, 43, 21, 11? (a) 13 (b) 43 (c) 21 (d) 11
  18. 18.Which number is the odd one out: 75, 65, 3, 55? (a) 75 (b) 65 (c) 3 (d) 55
  19. 19.Which number is the odd one out: 83, 13, 58, 67? (a) 83 (b) 13 (c) 58 (d) 67
  20. 20.Which number is the odd one out: 64, 4, 39, 16? (a) 64 (b) 4 (c) 39 (d) 16
  21. 21.Which number is the odd one out: 93, 99, 50, 27? (a) 93 (b) 99 (c) 50 (d) 27
  22. 22.Which number is the odd one out: 7, 29, 91, 43? (a) 7 (b) 29 (c) 91 (d) 43
  23. 23.Which number is the odd one out: 10, 39, 75, 57? (a) 10 (b) 39 (c) 75 (d) 57
  24. 24.Which number is the odd one out: 89, 29, 54, 43? (a) 89 (b) 29 (c) 54 (d) 43
  25. 25.Which number is the odd one out: 16, 9, 56, 81? (a) 16 (b) 9 (c) 56 (d) 81
  26. 26.Which number is the odd one out: 82, 67, 73, 23? (a) 82 (b) 67 (c) 73 (d) 23
  27. 27.Which number is the odd one out: 35, 9, 81, 49? (a) 35 (b) 9 (c) 81 (d) 49
  28. 28.Which number is the odd one out: 71, 83, 31, 52? (a) 71 (b) 83 (c) 31 (d) 52
  29. 29.Which number is the odd one out: 24, 6, 96, 53? (a) 24 (b) 6 (c) 96 (d) 53
  30. 30.Which number is the odd one out: 32, 68, 16, 64? (a) 32 (b) 68 (c) 16 (d) 64
  31. 31.Which number is the odd one out: 71, 78, 3, 41? (a) 71 (b) 78 (c) 3 (d) 41
  32. 32.Which number is the odd one out: 8, 26, 32, 76? (a) 8 (b) 26 (c) 32 (d) 76
  33. 33.Which number is the odd one out: 97, 96, 23, 73? (a) 97 (b) 96 (c) 23 (d) 73
  34. 34.Which number is the odd one out: 71, 3, 51, 79? (a) 71 (b) 3 (c) 51 (d) 79
  35. 35.Which number is the odd one out: 18, 56, 72, 54? (a) 18 (b) 56 (c) 72 (d) 54
  36. 36.Which number is the odd one out: 57, 61, 23, 24? (a) 57 (b) 61 (c) 23 (d) 24
  37. 37.Which number is the odd one out: 89, 96, 41, 37? (a) 89 (b) 96 (c) 41 (d) 37
  38. 38.Which number is the odd one out: 13, 88, 73, 17? (a) 13 (b) 88 (c) 73 (d) 17
  39. 39.Which number is the odd one out: 48, 49, 24, 88? (a) 48 (b) 49 (c) 24 (d) 88
  40. 40.Which number is the odd one out: 31, 24, 48, 32? (a) 31 (b) 24 (c) 48 (d) 32

Answer key

  1. 56
  2. 42
  3. 15
  4. 54
  5. 91
  6. 31
  7. 25
  8. 69
  9. 22
  10. 80
  11. 71
  12. 7
  13. 93
  14. 37
  15. 9
  16. 70
  17. 21
  18. 3
  19. 58
  20. 39
  21. 50
  22. 91
  23. 10
  24. 54
  25. 56
  26. 82
  27. 35
  28. 52
  29. 53
  30. 68
  31. 78
  32. 26
  33. 96
  34. 51
  35. 56
  36. 24
  37. 96
  38. 88
  39. 49
  40. 31

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