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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 791 · 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: 11, 17, 23, 26? (a) 11 (b) 17 (c) 23 (d) 26
  2. 2.Which number is the odd one out: 31, 89, 63, 17? (a) 31 (b) 89 (c) 63 (d) 17
  3. 3.Which number is the odd one out: 30, 71, 23, 59? (a) 30 (b) 71 (c) 23 (d) 59
  4. 4.Which number is the odd one out: 2, 31, 18, 97? (a) 2 (b) 31 (c) 18 (d) 97
  5. 5.Which number is the odd one out: 9, 27, 96, 36? (a) 9 (b) 27 (c) 96 (d) 36
  6. 6.Which number is the odd one out: 11, 47, 70, 31? (a) 11 (b) 47 (c) 70 (d) 31
  7. 7.Which number is the odd one out: 24, 37, 79, 3? (a) 24 (b) 37 (c) 79 (d) 3
  8. 8.Which number is the odd one out: 71, 11, 56, 37? (a) 71 (b) 11 (c) 56 (d) 37
  9. 9.Which number is the odd one out: 71, 97, 17, 9? (a) 71 (b) 97 (c) 17 (d) 9
  10. 10.Which number is the odd one out: 67, 79, 64, 31? (a) 67 (b) 79 (c) 64 (d) 31
  11. 11.Which number is the odd one out: 24, 86, 18, 72? (a) 24 (b) 86 (c) 18 (d) 72
  12. 12.Which number is the odd one out: 64, 16, 4, 15? (a) 64 (b) 16 (c) 4 (d) 15
  13. 13.Which number is the odd one out: 78, 84, 32, 42? (a) 78 (b) 84 (c) 32 (d) 42
  14. 14.Which number is the odd one out: 62, 73, 29, 23? (a) 62 (b) 73 (c) 29 (d) 23
  15. 15.Which number is the odd one out: 47, 96, 32, 24? (a) 47 (b) 96 (c) 32 (d) 24
  16. 16.Which number is the odd one out: 88, 16, 17, 64? (a) 88 (b) 16 (c) 17 (d) 64
  17. 17.Which number is the odd one out: 79, 23, 96, 29? (a) 79 (b) 23 (c) 96 (d) 29
  18. 18.Which number is the odd one out: 17, 43, 5, 30? (a) 17 (b) 43 (c) 5 (d) 30
  19. 19.Which number is the odd one out: 67, 53, 62, 43? (a) 67 (b) 53 (c) 62 (d) 43
  20. 20.Which number is the odd one out: 19, 20, 5, 23? (a) 19 (b) 20 (c) 5 (d) 23
  21. 21.Which number is the odd one out: 21, 67, 3, 98? (a) 21 (b) 67 (c) 3 (d) 98
  22. 22.Which number is the odd one out: 2, 41, 53, 68? (a) 2 (b) 41 (c) 53 (d) 68
  23. 23.Which number is the odd one out: 76, 70, 92, 20? (a) 76 (b) 70 (c) 92 (d) 20
  24. 24.Which number is the odd one out: 37, 97, 84, 89? (a) 37 (b) 97 (c) 84 (d) 89
  25. 25.Which number is the odd one out: 64, 16, 6, 24? (a) 64 (b) 16 (c) 6 (d) 24
  26. 26.Which number is the odd one out: 89, 64, 4, 16? (a) 89 (b) 64 (c) 4 (d) 16
  27. 27.Which number is the odd one out: 47, 79, 55, 83? (a) 47 (b) 79 (c) 55 (d) 83
  28. 28.Which number is the odd one out: 84, 30, 65, 85? (a) 84 (b) 30 (c) 65 (d) 85
  29. 29.Which number is the odd one out: 19, 93, 41, 13? (a) 19 (b) 93 (c) 41 (d) 13
  30. 30.Which number is the odd one out: 96, 78, 71, 48? (a) 96 (b) 78 (c) 71 (d) 48
  31. 31.Which number is the odd one out: 84, 89, 17, 83? (a) 84 (b) 89 (c) 17 (d) 83
  32. 32.Which number is the odd one out: 11, 29, 57, 83? (a) 11 (b) 29 (c) 57 (d) 83
  33. 33.Which number is the odd one out: 71, 20, 79, 61? (a) 71 (b) 20 (c) 79 (d) 61
  34. 34.Which number is the odd one out: 64, 4, 16, 83? (a) 64 (b) 4 (c) 16 (d) 83
  35. 35.Which number is the odd one out: 70, 17, 35, 14? (a) 70 (b) 17 (c) 35 (d) 14
  36. 36.Which number is the odd one out: 11, 80, 37, 17? (a) 11 (b) 80 (c) 37 (d) 17
  37. 37.Which number is the odd one out: 43, 13, 31, 48? (a) 43 (b) 13 (c) 31 (d) 48
  38. 38.Which number is the odd one out: 75, 10, 72, 55? (a) 75 (b) 10 (c) 72 (d) 55
  39. 39.Which number is the odd one out: 37, 96, 79, 3? (a) 37 (b) 96 (c) 79 (d) 3
  40. 40.Which number is the odd one out: 69, 13, 60, 37? (a) 69 (b) 13 (c) 60 (d) 37

Answer key

  1. 26
  2. 63
  3. 30
  4. 18
  5. 96
  6. 70
  7. 24
  8. 56
  9. 9
  10. 64
  11. 86
  12. 15
  13. 32
  14. 62
  15. 47
  16. 17
  17. 96
  18. 30
  19. 62
  20. 20
  21. 98
  22. 68
  23. 70
  24. 84
  25. 6
  26. 89
  27. 55
  28. 84
  29. 93
  30. 71
  31. 84
  32. 57
  33. 20
  34. 83
  35. 17
  36. 80
  37. 48
  38. 72
  39. 96
  40. 60

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