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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 217 · 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: 78, 84, 60, 35? (a) 78 (b) 84 (c) 60 (d) 35
  2. 2.Which number is the odd one out: 67, 53, 17, 96? (a) 67 (b) 53 (c) 17 (d) 96
  3. 3.Which number is the odd one out: 45, 36, 65, 25? (a) 45 (b) 36 (c) 65 (d) 25
  4. 4.Which number is the odd one out: 25, 29, 89, 53? (a) 25 (b) 29 (c) 89 (d) 53
  5. 5.Which number is the odd one out: 17, 15, 31, 23? (a) 17 (b) 15 (c) 31 (d) 23
  6. 6.Which number is the odd one out: 31, 39, 53, 17? (a) 31 (b) 39 (c) 53 (d) 17
  7. 7.Which number is the odd one out: 67, 79, 13, 86? (a) 67 (b) 79 (c) 13 (d) 86
  8. 8.Which number is the odd one out: 17, 3, 79, 57? (a) 17 (b) 3 (c) 79 (d) 57
  9. 9.Which number is the odd one out: 15, 75, 10, 86? (a) 15 (b) 75 (c) 10 (d) 86
  10. 10.Which number is the odd one out: 21, 16, 64, 4? (a) 21 (b) 16 (c) 64 (d) 4
  11. 11.Which number is the odd one out: 89, 51, 96, 97? (a) 89 (b) 51 (c) 96 (d) 97
  12. 12.Which number is the odd one out: 29, 73, 31, 46? (a) 29 (b) 73 (c) 31 (d) 46
  13. 13.Which number is the odd one out: 9, 21, 14, 98? (a) 9 (b) 21 (c) 14 (d) 98
  14. 14.Which number is the odd one out: 61, 10, 19, 37? (a) 61 (b) 10 (c) 19 (d) 37
  15. 15.Which number is the odd one out: 43, 17, 41, 14? (a) 43 (b) 17 (c) 41 (d) 14
  16. 16.Which number is the odd one out: 70, 23, 19, 37? (a) 70 (b) 23 (c) 19 (d) 37
  17. 17.Which number is the odd one out: 19, 67, 34, 53? (a) 19 (b) 67 (c) 34 (d) 53
  18. 18.Which number is the odd one out: 19, 57, 73, 47? (a) 19 (b) 57 (c) 73 (d) 47
  19. 19.Which number is the odd one out: 99, 59, 54, 18? (a) 99 (b) 59 (c) 54 (d) 18
  20. 20.Which number is the odd one out: 79, 11, 33, 83? (a) 79 (b) 11 (c) 33 (d) 83
  21. 21.Which number is the odd one out: 11, 45, 83, 61? (a) 11 (b) 45 (c) 83 (d) 61
  22. 22.Which number is the odd one out: 54, 31, 18, 6? (a) 54 (b) 31 (c) 18 (d) 6
  23. 23.Which number is the odd one out: 79, 55, 43, 83? (a) 79 (b) 55 (c) 43 (d) 83
  24. 24.Which number is the odd one out: 7, 84, 23, 59? (a) 7 (b) 84 (c) 23 (d) 59
  25. 25.Which number is the odd one out: 43, 61, 58, 2? (a) 43 (b) 61 (c) 58 (d) 2
  26. 26.Which number is the odd one out: 24, 53, 97, 41? (a) 24 (b) 53 (c) 97 (d) 41
  27. 27.Which number is the odd one out: 47, 81, 53, 37? (a) 47 (b) 81 (c) 53 (d) 37
  28. 28.Which number is the odd one out: 32, 44, 8, 82? (a) 32 (b) 44 (c) 8 (d) 82
  29. 29.Which number is the odd one out: 62, 61, 67, 97? (a) 62 (b) 61 (c) 67 (d) 97
  30. 30.Which number is the odd one out: 56, 89, 43, 13? (a) 56 (b) 89 (c) 43 (d) 13
  31. 31.Which number is the odd one out: 17, 61, 57, 60? (a) 17 (b) 61 (c) 57 (d) 60
  32. 32.Which number is the odd one out: 32, 80, 24, 90? (a) 32 (b) 80 (c) 24 (d) 90
  33. 33.Which number is the odd one out: 37, 54, 61, 3? (a) 37 (b) 54 (c) 61 (d) 3
  34. 34.Which number is the odd one out: 53, 79, 31, 90? (a) 53 (b) 79 (c) 31 (d) 90
  35. 35.Which number is the odd one out: 31, 44, 11, 23? (a) 31 (b) 44 (c) 11 (d) 23
  36. 36.Which number is the odd one out: 97, 92, 29, 41? (a) 97 (b) 92 (c) 29 (d) 41
  37. 37.Which number is the odd one out: 25, 8, 88, 92? (a) 25 (b) 8 (c) 88 (d) 92
  38. 38.Which number is the odd one out: 27, 3, 97, 11? (a) 27 (b) 3 (c) 97 (d) 11
  39. 39.Which number is the odd one out: 43, 19, 63, 61? (a) 43 (b) 19 (c) 63 (d) 61
  40. 40.Which number is the odd one out: 24, 69, 12, 96? (a) 24 (b) 69 (c) 12 (d) 96

Answer key

  1. 35
  2. 96
  3. 36
  4. 25
  5. 15
  6. 39
  7. 86
  8. 57
  9. 86
  10. 21
  11. 96
  12. 46
  13. 9
  14. 10
  15. 14
  16. 70
  17. 34
  18. 57
  19. 59
  20. 33
  21. 45
  22. 31
  23. 55
  24. 84
  25. 58
  26. 24
  27. 81
  28. 82
  29. 62
  30. 56
  31. 60
  32. 90
  33. 54
  34. 90
  35. 44
  36. 92
  37. 25
  38. 27
  39. 63
  40. 69

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