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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 206 · 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, 89, 16, 47? (a) 41 (b) 89 (c) 16 (d) 47
  2. 2.Which number is the odd one out: 23, 84, 17, 7? (a) 23 (b) 84 (c) 17 (d) 7
  3. 3.Which number is the odd one out: 60, 65, 84, 55? (a) 60 (b) 65 (c) 84 (d) 55
  4. 4.Which number is the odd one out: 6, 42, 30, 35? (a) 6 (b) 42 (c) 30 (d) 35
  5. 5.Which number is the odd one out: 29, 17, 92, 2? (a) 29 (b) 17 (c) 92 (d) 2
  6. 6.Which number is the odd one out: 7, 40, 44, 80? (a) 7 (b) 40 (c) 44 (d) 80
  7. 7.Which number is the odd one out: 98, 53, 77, 67? (a) 98 (b) 53 (c) 77 (d) 67
  8. 8.Which number is the odd one out: 24, 88, 30, 32? (a) 24 (b) 88 (c) 30 (d) 32
  9. 9.Which number is the odd one out: 73, 41, 11, 8? (a) 73 (b) 41 (c) 11 (d) 8
  10. 10.Which number is the odd one out: 23, 43, 11, 10? (a) 23 (b) 43 (c) 11 (d) 10
  11. 11.Which number is the odd one out: 78, 53, 83, 13? (a) 78 (b) 53 (c) 83 (d) 13
  12. 12.Which number is the odd one out: 57, 23, 47, 13? (a) 57 (b) 23 (c) 47 (d) 13
  13. 13.Which number is the odd one out: 40, 68, 32, 65? (a) 40 (b) 68 (c) 32 (d) 65
  14. 14.Which number is the odd one out: 47, 17, 58, 23? (a) 47 (b) 17 (c) 58 (d) 23
  15. 15.Which number is the odd one out: 60, 76, 18, 90? (a) 60 (b) 76 (c) 18 (d) 90
  16. 16.Which number is the odd one out: 43, 67, 66, 23? (a) 43 (b) 67 (c) 66 (d) 23
  17. 17.Which number is the odd one out: 6, 85, 50, 15? (a) 6 (b) 85 (c) 50 (d) 15
  18. 18.Which number is the odd one out: 51, 61, 3, 97? (a) 51 (b) 61 (c) 3 (d) 97
  19. 19.Which number is the odd one out: 91, 89, 71, 83? (a) 91 (b) 89 (c) 71 (d) 83
  20. 20.Which number is the odd one out: 23, 77, 61, 41? (a) 23 (b) 77 (c) 61 (d) 41
  21. 21.Which number is the odd one out: 83, 19, 59, 60? (a) 83 (b) 19 (c) 59 (d) 60
  22. 22.Which number is the odd one out: 9, 16, 27, 64? (a) 9 (b) 16 (c) 27 (d) 64
  23. 23.Which number is the odd one out: 71, 47, 88, 41? (a) 71 (b) 47 (c) 88 (d) 41
  24. 24.Which number is the odd one out: 73, 23, 91, 79? (a) 73 (b) 23 (c) 91 (d) 79
  25. 25.Which number is the odd one out: 19, 89, 17, 14? (a) 19 (b) 89 (c) 17 (d) 14
  26. 26.Which number is the odd one out: 30, 72, 55, 65? (a) 30 (b) 72 (c) 55 (d) 65
  27. 27.Which number is the odd one out: 89, 90, 3, 23? (a) 89 (b) 90 (c) 3 (d) 23
  28. 28.Which number is the odd one out: 83, 7, 56, 67? (a) 83 (b) 7 (c) 56 (d) 67
  29. 29.Which number is the odd one out: 59, 28, 42, 84? (a) 59 (b) 28 (c) 42 (d) 84
  30. 30.Which number is the odd one out: 16, 64, 45, 81? (a) 16 (b) 64 (c) 45 (d) 81
  31. 31.Which number is the odd one out: 24, 68, 48, 95? (a) 24 (b) 68 (c) 48 (d) 95
  32. 32.Which number is the odd one out: 41, 81, 71, 29? (a) 41 (b) 81 (c) 71 (d) 29
  33. 33.Which number is the odd one out: 4, 19, 89, 13? (a) 4 (b) 19 (c) 89 (d) 13
  34. 34.Which number is the odd one out: 85, 75, 44, 15? (a) 85 (b) 75 (c) 44 (d) 15
  35. 35.Which number is the odd one out: 17, 97, 41, 9? (a) 17 (b) 97 (c) 41 (d) 9
  36. 36.Which number is the odd one out: 72, 54, 92, 32? (a) 72 (b) 54 (c) 92 (d) 32
  37. 37.Which number is the odd one out: 5, 9, 81, 25? (a) 5 (b) 9 (c) 81 (d) 25
  38. 38.Which number is the odd one out: 66, 3, 17, 97? (a) 66 (b) 3 (c) 17 (d) 97
  39. 39.Which number is the odd one out: 24, 22, 96, 48? (a) 24 (b) 22 (c) 96 (d) 48
  40. 40.Which number is the odd one out: 87, 93, 69, 54? (a) 87 (b) 93 (c) 69 (d) 54

Answer key

  1. 16
  2. 84
  3. 84
  4. 35
  5. 92
  6. 7
  7. 98
  8. 30
  9. 8
  10. 10
  11. 78
  12. 57
  13. 65
  14. 58
  15. 76
  16. 66
  17. 6
  18. 51
  19. 91
  20. 77
  21. 60
  22. 27
  23. 88
  24. 91
  25. 14
  26. 72
  27. 90
  28. 56
  29. 59
  30. 45
  31. 95
  32. 81
  33. 4
  34. 44
  35. 9
  36. 54
  37. 5
  38. 66
  39. 22
  40. 54

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