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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 839 · 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: 13, 17, 90, 79? (a) 13 (b) 17 (c) 90 (d) 79
  2. 2.Which number is the odd one out: 3, 54, 23, 31? (a) 3 (b) 54 (c) 23 (d) 31
  3. 3.Which number is the odd one out: 67, 37, 89, 45? (a) 67 (b) 37 (c) 89 (d) 45
  4. 4.Which number is the odd one out: 47, 73, 67, 52? (a) 47 (b) 73 (c) 67 (d) 52
  5. 5.Which number is the odd one out: 47, 59, 5, 95? (a) 47 (b) 59 (c) 5 (d) 95
  6. 6.Which number is the odd one out: 79, 70, 13, 71? (a) 79 (b) 70 (c) 13 (d) 71
  7. 7.Which number is the odd one out: 2, 16, 73, 13? (a) 2 (b) 16 (c) 73 (d) 13
  8. 8.Which number is the odd one out: 79, 71, 9, 13? (a) 79 (b) 71 (c) 9 (d) 13
  9. 9.Which number is the odd one out: 76, 11, 17, 83? (a) 76 (b) 11 (c) 17 (d) 83
  10. 10.Which number is the odd one out: 35, 71, 47, 41? (a) 35 (b) 71 (c) 47 (d) 41
  11. 11.Which number is the odd one out: 71, 26, 44, 68? (a) 71 (b) 26 (c) 44 (d) 68
  12. 12.Which number is the odd one out: 29, 66, 17, 11? (a) 29 (b) 66 (c) 17 (d) 11
  13. 13.Which number is the odd one out: 47, 14, 17, 37? (a) 47 (b) 14 (c) 17 (d) 37
  14. 14.Which number is the odd one out: 28, 13, 73, 11? (a) 28 (b) 13 (c) 73 (d) 11
  15. 15.Which number is the odd one out: 8, 64, 5, 16? (a) 8 (b) 64 (c) 5 (d) 16
  16. 16.Which number is the odd one out: 33, 39, 93, 23? (a) 33 (b) 39 (c) 93 (d) 23
  17. 17.Which number is the odd one out: 83, 29, 61, 18? (a) 83 (b) 29 (c) 61 (d) 18
  18. 18.Which number is the odd one out: 96, 31, 3, 2? (a) 96 (b) 31 (c) 3 (d) 2
  19. 19.Which number is the odd one out: 98, 92, 14, 28? (a) 98 (b) 92 (c) 14 (d) 28
  20. 20.Which number is the odd one out: 2, 43, 44, 19? (a) 2 (b) 43 (c) 44 (d) 19
  21. 21.Which number is the odd one out: 23, 68, 44, 52? (a) 23 (b) 68 (c) 44 (d) 52
  22. 22.Which number is the odd one out: 13, 71, 45, 83? (a) 13 (b) 71 (c) 45 (d) 83
  23. 23.Which number is the odd one out: 13, 17, 19, 25? (a) 13 (b) 17 (c) 19 (d) 25
  24. 24.Which number is the odd one out: 93, 88, 32, 8? (a) 93 (b) 88 (c) 32 (d) 8
  25. 25.Which number is the odd one out: 17, 53, 51, 61? (a) 17 (b) 53 (c) 51 (d) 61
  26. 26.Which number is the odd one out: 39, 71, 3, 93? (a) 39 (b) 71 (c) 3 (d) 93
  27. 27.Which number is the odd one out: 72, 23, 24, 18? (a) 72 (b) 23 (c) 24 (d) 18
  28. 28.Which number is the odd one out: 32, 99, 80, 40? (a) 32 (b) 99 (c) 80 (d) 40
  29. 29.Which number is the odd one out: 8, 12, 22, 48? (a) 8 (b) 12 (c) 22 (d) 48
  30. 30.Which number is the odd one out: 51, 13, 72, 79? (a) 51 (b) 13 (c) 72 (d) 79
  31. 31.Which number is the odd one out: 20, 47, 13, 41? (a) 20 (b) 47 (c) 13 (d) 41
  32. 32.Which number is the odd one out: 81, 56, 49, 9? (a) 81 (b) 56 (c) 49 (d) 9
  33. 33.Which number is the odd one out: 10, 19, 53, 89? (a) 10 (b) 19 (c) 53 (d) 89
  34. 34.Which number is the odd one out: 14, 13, 23, 67? (a) 14 (b) 13 (c) 23 (d) 67
  35. 35.Which number is the odd one out: 83, 13, 23, 81? (a) 83 (b) 13 (c) 23 (d) 81
  36. 36.Which number is the odd one out: 80, 88, 11, 40? (a) 80 (b) 88 (c) 11 (d) 40
  37. 37.Which number is the odd one out: 70, 31, 7, 59? (a) 70 (b) 31 (c) 7 (d) 59
  38. 38.Which number is the odd one out: 78, 24, 43, 48? (a) 78 (b) 24 (c) 43 (d) 48
  39. 39.Which number is the odd one out: 20, 32, 90, 72? (a) 20 (b) 32 (c) 90 (d) 72
  40. 40.Which number is the odd one out: 49, 81, 35, 9? (a) 49 (b) 81 (c) 35 (d) 9

Answer key

  1. 90
  2. 54
  3. 45
  4. 52
  5. 95
  6. 70
  7. 16
  8. 9
  9. 76
  10. 35
  11. 71
  12. 66
  13. 14
  14. 28
  15. 5
  16. 23
  17. 18
  18. 96
  19. 92
  20. 44
  21. 23
  22. 45
  23. 25
  24. 93
  25. 51
  26. 71
  27. 23
  28. 99
  29. 22
  30. 72
  31. 20
  32. 56
  33. 10
  34. 14
  35. 81
  36. 11
  37. 70
  38. 43
  39. 90
  40. 35

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