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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 814 · 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: 66, 88, 96, 13? (a) 66 (b) 88 (c) 96 (d) 13
  2. 2.Which number is the odd one out: 8, 25, 46, 88? (a) 8 (b) 25 (c) 46 (d) 88
  3. 3.Which number is the odd one out: 91, 97, 79, 19? (a) 91 (b) 97 (c) 79 (d) 19
  4. 4.Which number is the odd one out: 99, 27, 63, 35? (a) 99 (b) 27 (c) 63 (d) 35
  5. 5.Which number is the odd one out: 97, 79, 60, 23? (a) 97 (b) 79 (c) 60 (d) 23
  6. 6.Which number is the odd one out: 43, 2, 4, 11? (a) 43 (b) 2 (c) 4 (d) 11
  7. 7.Which number is the odd one out: 45, 49, 90, 30? (a) 45 (b) 49 (c) 90 (d) 30
  8. 8.Which number is the odd one out: 90, 32, 96, 88? (a) 90 (b) 32 (c) 96 (d) 88
  9. 9.Which number is the odd one out: 90, 40, 48, 18? (a) 90 (b) 40 (c) 48 (d) 18
  10. 10.Which number is the odd one out: 11, 59, 70, 73? (a) 11 (b) 59 (c) 70 (d) 73
  11. 11.Which number is the odd one out: 73, 76, 59, 37? (a) 73 (b) 76 (c) 59 (d) 37
  12. 12.Which number is the odd one out: 83, 31, 61, 70? (a) 83 (b) 31 (c) 61 (d) 70
  13. 13.Which number is the odd one out: 5, 73, 35, 7? (a) 5 (b) 73 (c) 35 (d) 7
  14. 14.Which number is the odd one out: 37, 29, 71, 20? (a) 37 (b) 29 (c) 71 (d) 20
  15. 15.Which number is the odd one out: 45, 54, 90, 59? (a) 45 (b) 54 (c) 90 (d) 59
  16. 16.Which number is the odd one out: 24, 80, 54, 40? (a) 24 (b) 80 (c) 54 (d) 40
  17. 17.Which number is the odd one out: 53, 59, 16, 13? (a) 53 (b) 59 (c) 16 (d) 13
  18. 18.Which number is the odd one out: 37, 29, 82, 53? (a) 37 (b) 29 (c) 82 (d) 53
  19. 19.Which number is the odd one out: 37, 20, 53, 31? (a) 37 (b) 20 (c) 53 (d) 31
  20. 20.Which number is the odd one out: 12, 3, 42, 84? (a) 12 (b) 3 (c) 42 (d) 84
  21. 21.Which number is the odd one out: 41, 37, 52, 2? (a) 41 (b) 37 (c) 52 (d) 2
  22. 22.Which number is the odd one out: 7, 19, 94, 91? (a) 7 (b) 19 (c) 94 (d) 91
  23. 23.Which number is the odd one out: 59, 50, 41, 5? (a) 59 (b) 50 (c) 41 (d) 5
  24. 24.Which number is the odd one out: 37, 47, 69, 13? (a) 37 (b) 47 (c) 69 (d) 13
  25. 25.Which number is the odd one out: 21, 67, 19, 23? (a) 21 (b) 67 (c) 19 (d) 23
  26. 26.Which number is the odd one out: 2, 60, 61, 47? (a) 2 (b) 60 (c) 61 (d) 47
  27. 27.Which number is the odd one out: 73, 30, 37, 5? (a) 73 (b) 30 (c) 37 (d) 5
  28. 28.Which number is the odd one out: 23, 29, 31, 74? (a) 23 (b) 29 (c) 31 (d) 74
  29. 29.Which number is the odd one out: 17, 37, 76, 11? (a) 17 (b) 37 (c) 76 (d) 11
  30. 30.Which number is the odd one out: 17, 31, 14, 29? (a) 17 (b) 31 (c) 14 (d) 29
  31. 31.Which number is the odd one out: 47, 37, 41, 30? (a) 47 (b) 37 (c) 41 (d) 30
  32. 32.Which number is the odd one out: 44, 68, 33, 26? (a) 44 (b) 68 (c) 33 (d) 26
  33. 33.Which number is the odd one out: 23, 64, 31, 29? (a) 23 (b) 64 (c) 31 (d) 29
  34. 34.Which number is the odd one out: 13, 19, 77, 11? (a) 13 (b) 19 (c) 77 (d) 11
  35. 35.Which number is the odd one out: 48, 96, 37, 24? (a) 48 (b) 96 (c) 37 (d) 24
  36. 36.Which number is the odd one out: 79, 19, 6, 31? (a) 79 (b) 19 (c) 6 (d) 31
  37. 37.Which number is the odd one out: 16, 64, 58, 8? (a) 16 (b) 64 (c) 58 (d) 8
  38. 38.Which number is the odd one out: 79, 13, 2, 14? (a) 79 (b) 13 (c) 2 (d) 14
  39. 39.Which number is the odd one out: 59, 57, 53, 29? (a) 59 (b) 57 (c) 53 (d) 29
  40. 40.Which number is the odd one out: 35, 24, 70, 21? (a) 35 (b) 24 (c) 70 (d) 21

Answer key

  1. 13
  2. 25
  3. 91
  4. 35
  5. 60
  6. 4
  7. 49
  8. 90
  9. 40
  10. 70
  11. 76
  12. 70
  13. 35
  14. 20
  15. 59
  16. 54
  17. 16
  18. 82
  19. 20
  20. 3
  21. 52
  22. 94
  23. 50
  24. 69
  25. 21
  26. 60
  27. 30
  28. 74
  29. 76
  30. 14
  31. 30
  32. 33
  33. 64
  34. 77
  35. 37
  36. 6
  37. 58
  38. 14
  39. 57
  40. 24

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