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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 899 · 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: 90, 79, 47, 11? (a) 90 (b) 79 (c) 47 (d) 11
  2. 2.Which number is the odd one out: 71, 15, 43, 11? (a) 71 (b) 15 (c) 43 (d) 11
  3. 3.Which number is the odd one out: 54, 18, 27, 91? (a) 54 (b) 18 (c) 27 (d) 91
  4. 4.Which number is the odd one out: 64, 17, 16, 4? (a) 64 (b) 17 (c) 16 (d) 4
  5. 5.Which number is the odd one out: 41, 10, 23, 71? (a) 41 (b) 10 (c) 23 (d) 71
  6. 6.Which number is the odd one out: 15, 20, 22, 68? (a) 15 (b) 20 (c) 22 (d) 68
  7. 7.Which number is the odd one out: 29, 2, 89, 8? (a) 29 (b) 2 (c) 89 (d) 8
  8. 8.Which number is the odd one out: 58, 8, 4, 64? (a) 58 (b) 8 (c) 4 (d) 64
  9. 9.Which number is the odd one out: 2, 83, 71, 20? (a) 2 (b) 83 (c) 71 (d) 20
  10. 10.Which number is the odd one out: 59, 71, 76, 53? (a) 59 (b) 71 (c) 76 (d) 53
  11. 11.Which number is the odd one out: 88, 16, 64, 3? (a) 88 (b) 16 (c) 64 (d) 3
  12. 12.Which number is the odd one out: 12, 32, 16, 64? (a) 12 (b) 32 (c) 16 (d) 64
  13. 13.Which number is the odd one out: 42, 83, 31, 97? (a) 42 (b) 83 (c) 31 (d) 97
  14. 14.Which number is the odd one out: 19, 59, 97, 91? (a) 19 (b) 59 (c) 97 (d) 91
  15. 15.Which number is the odd one out: 32, 16, 60, 64? (a) 32 (b) 16 (c) 60 (d) 64
  16. 16.Which number is the odd one out: 13, 83, 54, 3? (a) 13 (b) 83 (c) 54 (d) 3
  17. 17.Which number is the odd one out: 71, 31, 22, 29? (a) 71 (b) 31 (c) 22 (d) 29
  18. 18.Which number is the odd one out: 73, 60, 97, 53? (a) 73 (b) 60 (c) 97 (d) 53
  19. 19.Which number is the odd one out: 42, 90, 63, 25? (a) 42 (b) 90 (c) 63 (d) 25
  20. 20.Which number is the odd one out: 98, 29, 19, 11? (a) 98 (b) 29 (c) 19 (d) 11
  21. 21.Which number is the odd one out: 37, 59, 83, 15? (a) 37 (b) 59 (c) 83 (d) 15
  22. 22.Which number is the odd one out: 29, 22, 59, 31? (a) 29 (b) 22 (c) 59 (d) 31
  23. 23.Which number is the odd one out: 47, 3, 19, 27? (a) 47 (b) 3 (c) 19 (d) 27
  24. 24.Which number is the odd one out: 17, 23, 22, 13? (a) 17 (b) 23 (c) 22 (d) 13
  25. 25.Which number is the odd one out: 53, 97, 28, 29? (a) 53 (b) 97 (c) 28 (d) 29
  26. 26.Which number is the odd one out: 41, 57, 17, 37? (a) 41 (b) 57 (c) 17 (d) 37
  27. 27.Which number is the odd one out: 24, 41, 32, 48? (a) 24 (b) 41 (c) 32 (d) 48
  28. 28.Which number is the odd one out: 27, 9, 21, 81? (a) 27 (b) 9 (c) 21 (d) 81
  29. 29.Which number is the odd one out: 67, 43, 99, 23? (a) 67 (b) 43 (c) 99 (d) 23
  30. 30.Which number is the odd one out: 41, 23, 36, 19? (a) 41 (b) 23 (c) 36 (d) 19
  31. 31.Which number is the odd one out: 29, 61, 65, 67? (a) 29 (b) 61 (c) 65 (d) 67
  32. 32.Which number is the odd one out: 33, 89, 6, 31? (a) 33 (b) 89 (c) 6 (d) 31
  33. 33.Which number is the odd one out: 13, 59, 43, 88? (a) 13 (b) 59 (c) 43 (d) 88
  34. 34.Which number is the odd one out: 11, 82, 59, 53? (a) 11 (b) 82 (c) 59 (d) 53
  35. 35.Which number is the odd one out: 64, 8, 16, 5? (a) 64 (b) 8 (c) 16 (d) 5
  36. 36.Which number is the odd one out: 12, 52, 60, 35? (a) 12 (b) 52 (c) 60 (d) 35
  37. 37.Which number is the odd one out: 17, 67, 78, 19? (a) 17 (b) 67 (c) 78 (d) 19
  38. 38.Which number is the odd one out: 86, 74, 11, 82? (a) 86 (b) 74 (c) 11 (d) 82
  39. 39.Which number is the odd one out: 55, 19, 53, 11? (a) 55 (b) 19 (c) 53 (d) 11
  40. 40.Which number is the odd one out: 23, 97, 29, 21? (a) 23 (b) 97 (c) 29 (d) 21

Answer key

  1. 90
  2. 15
  3. 91
  4. 17
  5. 10
  6. 15
  7. 8
  8. 58
  9. 20
  10. 76
  11. 3
  12. 12
  13. 42
  14. 91
  15. 60
  16. 54
  17. 22
  18. 60
  19. 25
  20. 98
  21. 15
  22. 22
  23. 27
  24. 22
  25. 28
  26. 57
  27. 41
  28. 21
  29. 99
  30. 36
  31. 65
  32. 6
  33. 88
  34. 82
  35. 5
  36. 35
  37. 78
  38. 11
  39. 55
  40. 21

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