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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 303 · 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: 67, 34, 13, 97? (a) 67 (b) 34 (c) 13 (d) 97
  2. 2.Which number is the odd one out: 99, 42, 54, 27? (a) 99 (b) 42 (c) 54 (d) 27
  3. 3.Which number is the odd one out: 88, 6, 54, 72? (a) 88 (b) 6 (c) 54 (d) 72
  4. 4.Which number is the odd one out: 6, 11, 48, 24? (a) 6 (b) 11 (c) 48 (d) 24
  5. 5.Which number is the odd one out: 38, 91, 26, 94? (a) 38 (b) 91 (c) 26 (d) 94
  6. 6.Which number is the odd one out: 48, 37, 6, 24? (a) 48 (b) 37 (c) 6 (d) 24
  7. 7.Which number is the odd one out: 21, 56, 8, 32? (a) 21 (b) 56 (c) 8 (d) 32
  8. 8.Which number is the odd one out: 41, 29, 20, 59? (a) 41 (b) 29 (c) 20 (d) 59
  9. 9.Which number is the odd one out: 3, 71, 2, 6? (a) 3 (b) 71 (c) 2 (d) 6
  10. 10.Which number is the odd one out: 49, 53, 61, 11? (a) 49 (b) 53 (c) 61 (d) 11
  11. 11.Which number is the odd one out: 11, 97, 61, 92? (a) 11 (b) 97 (c) 61 (d) 92
  12. 12.Which number is the odd one out: 38, 22, 41, 26? (a) 38 (b) 22 (c) 41 (d) 26
  13. 13.Which number is the odd one out: 17, 99, 41, 31? (a) 17 (b) 99 (c) 41 (d) 31
  14. 14.Which number is the odd one out: 13, 2, 36, 17? (a) 13 (b) 2 (c) 36 (d) 17
  15. 15.Which number is the odd one out: 29, 3, 30, 47? (a) 29 (b) 3 (c) 30 (d) 47
  16. 16.Which number is the odd one out: 11, 74, 2, 53? (a) 11 (b) 74 (c) 2 (d) 53
  17. 17.Which number is the odd one out: 11, 2, 61, 50? (a) 11 (b) 2 (c) 61 (d) 50
  18. 18.Which number is the odd one out: 47, 95, 13, 73? (a) 47 (b) 95 (c) 13 (d) 73
  19. 19.Which number is the odd one out: 26, 41, 17, 31? (a) 26 (b) 41 (c) 17 (d) 31
  20. 20.Which number is the odd one out: 90, 3, 19, 73? (a) 90 (b) 3 (c) 19 (d) 73
  21. 21.Which number is the odd one out: 10, 22, 62, 15? (a) 10 (b) 22 (c) 62 (d) 15
  22. 22.Which number is the odd one out: 2, 13, 44, 73? (a) 2 (b) 13 (c) 44 (d) 73
  23. 23.Which number is the odd one out: 47, 2, 31, 12? (a) 47 (b) 2 (c) 31 (d) 12
  24. 24.Which number is the odd one out: 16, 45, 64, 8? (a) 16 (b) 45 (c) 64 (d) 8
  25. 25.Which number is the odd one out: 38, 97, 59, 23? (a) 38 (b) 97 (c) 59 (d) 23
  26. 26.Which number is the odd one out: 5, 47, 65, 31? (a) 5 (b) 47 (c) 65 (d) 31
  27. 27.Which number is the odd one out: 42, 7, 37, 59? (a) 42 (b) 7 (c) 37 (d) 59
  28. 28.Which number is the odd one out: 59, 67, 56, 47? (a) 59 (b) 67 (c) 56 (d) 47
  29. 29.Which number is the odd one out: 71, 29, 37, 81? (a) 71 (b) 29 (c) 37 (d) 81
  30. 30.Which number is the odd one out: 37, 90, 18, 30? (a) 37 (b) 90 (c) 18 (d) 30
  31. 31.Which number is the odd one out: 60, 63, 12, 30? (a) 60 (b) 63 (c) 12 (d) 30
  32. 32.Which number is the odd one out: 63, 91, 45, 77? (a) 63 (b) 91 (c) 45 (d) 77
  33. 33.Which number is the odd one out: 61, 53, 68, 41? (a) 61 (b) 53 (c) 68 (d) 41
  34. 34.Which number is the odd one out: 53, 24, 23, 3? (a) 53 (b) 24 (c) 23 (d) 3
  35. 35.Which number is the odd one out: 15, 95, 55, 36? (a) 15 (b) 95 (c) 55 (d) 36
  36. 36.Which number is the odd one out: 62, 43, 73, 11? (a) 62 (b) 43 (c) 73 (d) 11
  37. 37.Which number is the odd one out: 56, 89, 13, 41? (a) 56 (b) 89 (c) 13 (d) 41
  38. 38.Which number is the odd one out: 16, 68, 64, 27? (a) 16 (b) 68 (c) 64 (d) 27
  39. 39.Which number is the odd one out: 23, 37, 71, 72? (a) 23 (b) 37 (c) 71 (d) 72
  40. 40.Which number is the odd one out: 59, 12, 43, 71? (a) 59 (b) 12 (c) 43 (d) 71

Answer key

  1. 34
  2. 42
  3. 88
  4. 11
  5. 91
  6. 37
  7. 21
  8. 20
  9. 6
  10. 49
  11. 92
  12. 41
  13. 99
  14. 36
  15. 30
  16. 74
  17. 50
  18. 95
  19. 26
  20. 90
  21. 15
  22. 44
  23. 12
  24. 45
  25. 38
  26. 65
  27. 42
  28. 56
  29. 81
  30. 37
  31. 63
  32. 45
  33. 68
  34. 24
  35. 36
  36. 62
  37. 56
  38. 27
  39. 72
  40. 12

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