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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 137 · 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: 3, 39, 4, 11? (a) 3 (b) 39 (c) 4 (d) 11
  2. 2.Which number is the odd one out: 64, 61, 97, 71? (a) 64 (b) 61 (c) 97 (d) 71
  3. 3.Which number is the odd one out: 89, 11, 78, 23? (a) 89 (b) 11 (c) 78 (d) 23
  4. 4.Which number is the odd one out: 67, 19, 13, 24? (a) 67 (b) 19 (c) 13 (d) 24
  5. 5.Which number is the odd one out: 11, 61, 53, 30? (a) 11 (b) 61 (c) 53 (d) 30
  6. 6.Which number is the odd one out: 47, 19, 30, 23? (a) 47 (b) 19 (c) 30 (d) 23
  7. 7.Which number is the odd one out: 4, 67, 71, 17? (a) 4 (b) 67 (c) 71 (d) 17
  8. 8.Which number is the odd one out: 11, 14, 89, 73? (a) 11 (b) 14 (c) 89 (d) 73
  9. 9.Which number is the odd one out: 67, 59, 19, 66? (a) 67 (b) 59 (c) 19 (d) 66
  10. 10.Which number is the odd one out: 73, 11, 23, 26? (a) 73 (b) 11 (c) 23 (d) 26
  11. 11.Which number is the odd one out: 84, 63, 60, 30? (a) 84 (b) 63 (c) 60 (d) 30
  12. 12.Which number is the odd one out: 33, 42, 71, 47? (a) 33 (b) 42 (c) 71 (d) 47
  13. 13.Which number is the odd one out: 97, 36, 79, 47? (a) 97 (b) 36 (c) 79 (d) 47
  14. 14.Which number is the odd one out: 41, 83, 42, 23? (a) 41 (b) 83 (c) 42 (d) 23
  15. 15.Which number is the odd one out: 47, 37, 15, 3? (a) 47 (b) 37 (c) 15 (d) 3
  16. 16.Which number is the odd one out: 55, 37, 67, 13? (a) 55 (b) 37 (c) 67 (d) 13
  17. 17.Which number is the odd one out: 17, 61, 7, 77? (a) 17 (b) 61 (c) 7 (d) 77
  18. 18.Which number is the odd one out: 61, 86, 17, 19? (a) 61 (b) 86 (c) 17 (d) 19
  19. 19.Which number is the odd one out: 19, 95, 11, 31? (a) 19 (b) 95 (c) 11 (d) 31
  20. 20.Which number is the odd one out: 29, 89, 44, 53? (a) 29 (b) 89 (c) 44 (d) 53
  21. 21.Which number is the odd one out: 96, 94, 66, 24? (a) 96 (b) 94 (c) 66 (d) 24
  22. 22.Which number is the odd one out: 42, 47, 61, 17? (a) 42 (b) 47 (c) 61 (d) 17
  23. 23.Which number is the odd one out: 38, 64, 16, 32? (a) 38 (b) 64 (c) 16 (d) 32
  24. 24.Which number is the odd one out: 32, 9, 81, 16? (a) 32 (b) 9 (c) 81 (d) 16
  25. 25.Which number is the odd one out: 43, 13, 73, 62? (a) 43 (b) 13 (c) 73 (d) 62
  26. 26.Which number is the odd one out: 47, 37, 64, 71? (a) 47 (b) 37 (c) 64 (d) 71
  27. 27.Which number is the odd one out: 3, 53, 71, 6? (a) 3 (b) 53 (c) 71 (d) 6
  28. 28.Which number is the odd one out: 61, 29, 2, 60? (a) 61 (b) 29 (c) 2 (d) 60
  29. 29.Which number is the odd one out: 82, 97, 23, 67? (a) 82 (b) 97 (c) 23 (d) 67
  30. 30.Which number is the odd one out: 19, 13, 15, 17? (a) 19 (b) 13 (c) 15 (d) 17
  31. 31.Which number is the odd one out: 61, 98, 83, 79? (a) 61 (b) 98 (c) 83 (d) 79
  32. 32.Which number is the odd one out: 70, 13, 97, 71? (a) 70 (b) 13 (c) 97 (d) 71
  33. 33.Which number is the odd one out: 14, 98, 89, 91? (a) 14 (b) 98 (c) 89 (d) 91
  34. 34.Which number is the odd one out: 53, 31, 41, 35? (a) 53 (b) 31 (c) 41 (d) 35
  35. 35.Which number is the odd one out: 69, 23, 79, 24? (a) 69 (b) 23 (c) 79 (d) 24
  36. 36.Which number is the odd one out: 80, 97, 71, 55? (a) 80 (b) 97 (c) 71 (d) 55
  37. 37.Which number is the odd one out: 93, 3, 73, 38? (a) 93 (b) 3 (c) 73 (d) 38
  38. 38.Which number is the odd one out: 35, 7, 11, 67? (a) 35 (b) 7 (c) 11 (d) 67
  39. 39.Which number is the odd one out: 95, 54, 66, 18? (a) 95 (b) 54 (c) 66 (d) 18
  40. 40.Which number is the odd one out: 47, 29, 13, 50? (a) 47 (b) 29 (c) 13 (d) 50

Answer key

  1. 4
  2. 64
  3. 78
  4. 24
  5. 30
  6. 30
  7. 4
  8. 14
  9. 66
  10. 26
  11. 63
  12. 42
  13. 36
  14. 42
  15. 15
  16. 55
  17. 77
  18. 86
  19. 95
  20. 44
  21. 94
  22. 42
  23. 38
  24. 32
  25. 62
  26. 64
  27. 6
  28. 60
  29. 82
  30. 15
  31. 98
  32. 70
  33. 89
  34. 35
  35. 24
  36. 80
  37. 38
  38. 35
  39. 95
  40. 50

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