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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 599 · 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: 2, 67, 6, 29? (a) 2 (b) 67 (c) 6 (d) 29
  2. 2.Which number is the odd one out: 15, 30, 48, 75? (a) 15 (b) 30 (c) 48 (d) 75
  3. 3.Which number is the odd one out: 27, 39, 99, 55? (a) 27 (b) 39 (c) 99 (d) 55
  4. 4.Which number is the odd one out: 88, 23, 8, 68? (a) 88 (b) 23 (c) 8 (d) 68
  5. 5.Which number is the odd one out: 13, 53, 20, 41? (a) 13 (b) 53 (c) 20 (d) 41
  6. 6.Which number is the odd one out: 13, 91, 31, 97? (a) 13 (b) 91 (c) 31 (d) 97
  7. 7.Which number is the odd one out: 59, 11, 70, 97? (a) 59 (b) 11 (c) 70 (d) 97
  8. 8.Which number is the odd one out: 36, 31, 3, 59? (a) 36 (b) 31 (c) 3 (d) 59
  9. 9.Which number is the odd one out: 25, 71, 37, 5? (a) 25 (b) 71 (c) 37 (d) 5
  10. 10.Which number is the odd one out: 31, 74, 67, 71? (a) 31 (b) 74 (c) 67 (d) 71
  11. 11.Which number is the odd one out: 96, 24, 22, 88? (a) 96 (b) 24 (c) 22 (d) 88
  12. 12.Which number is the odd one out: 89, 31, 59, 86? (a) 89 (b) 31 (c) 59 (d) 86
  13. 13.Which number is the odd one out: 19, 31, 38, 17? (a) 19 (b) 31 (c) 38 (d) 17
  14. 14.Which number is the odd one out: 45, 46, 8, 32? (a) 45 (b) 46 (c) 8 (d) 32
  15. 15.Which number is the odd one out: 25, 67, 31, 13? (a) 25 (b) 67 (c) 31 (d) 13
  16. 16.Which number is the odd one out: 89, 16, 11, 29? (a) 89 (b) 16 (c) 11 (d) 29
  17. 17.Which number is the odd one out: 53, 41, 7, 70? (a) 53 (b) 41 (c) 7 (d) 70
  18. 18.Which number is the odd one out: 37, 13, 27, 31? (a) 37 (b) 13 (c) 27 (d) 31
  19. 19.Which number is the odd one out: 7, 31, 98, 41? (a) 7 (b) 31 (c) 98 (d) 41
  20. 20.Which number is the odd one out: 87, 17, 97, 59? (a) 87 (b) 17 (c) 97 (d) 59
  21. 21.Which number is the odd one out: 14, 37, 2, 61? (a) 14 (b) 37 (c) 2 (d) 61
  22. 22.Which number is the odd one out: 13, 24, 12, 96? (a) 13 (b) 24 (c) 12 (d) 96
  23. 23.Which number is the odd one out: 80, 67, 19, 31? (a) 80 (b) 67 (c) 19 (d) 31
  24. 24.Which number is the odd one out: 19, 31, 8, 97? (a) 19 (b) 31 (c) 8 (d) 97
  25. 25.Which number is the odd one out: 19, 84, 31, 7? (a) 19 (b) 84 (c) 31 (d) 7
  26. 26.Which number is the odd one out: 53, 24, 48, 96? (a) 53 (b) 24 (c) 48 (d) 96
  27. 27.Which number is the odd one out: 38, 39, 44, 68? (a) 38 (b) 39 (c) 44 (d) 68
  28. 28.Which number is the odd one out: 79, 47, 8, 61? (a) 79 (b) 47 (c) 8 (d) 61
  29. 29.Which number is the odd one out: 71, 92, 24, 48? (a) 71 (b) 92 (c) 24 (d) 48
  30. 30.Which number is the odd one out: 2, 50, 85, 65? (a) 2 (b) 50 (c) 85 (d) 65
  31. 31.Which number is the odd one out: 52, 13, 71, 11? (a) 52 (b) 13 (c) 71 (d) 11
  32. 32.Which number is the odd one out: 41, 2, 20, 11? (a) 41 (b) 2 (c) 20 (d) 11
  33. 33.Which number is the odd one out: 96, 97, 24, 48? (a) 96 (b) 97 (c) 24 (d) 48
  34. 34.Which number is the odd one out: 79, 17, 29, 30? (a) 79 (b) 17 (c) 29 (d) 30
  35. 35.Which number is the odd one out: 29, 51, 11, 13? (a) 29 (b) 51 (c) 11 (d) 13
  36. 36.Which number is the odd one out: 23, 39, 48, 67? (a) 23 (b) 39 (c) 48 (d) 67
  37. 37.Which number is the odd one out: 55, 31, 29, 80? (a) 55 (b) 31 (c) 29 (d) 80
  38. 38.Which number is the odd one out: 49, 41, 89, 59? (a) 49 (b) 41 (c) 89 (d) 59
  39. 39.Which number is the odd one out: 60, 37, 5, 83? (a) 60 (b) 37 (c) 5 (d) 83
  40. 40.Which number is the odd one out: 67, 52, 31, 23? (a) 67 (b) 52 (c) 31 (d) 23

Answer key

  1. 6
  2. 48
  3. 55
  4. 23
  5. 20
  6. 91
  7. 70
  8. 36
  9. 25
  10. 74
  11. 22
  12. 86
  13. 38
  14. 45
  15. 25
  16. 16
  17. 70
  18. 27
  19. 98
  20. 87
  21. 14
  22. 13
  23. 80
  24. 8
  25. 84
  26. 53
  27. 39
  28. 8
  29. 71
  30. 2
  31. 52
  32. 20
  33. 97
  34. 30
  35. 51
  36. 48
  37. 80
  38. 49
  39. 60
  40. 52

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