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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 184 · 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: 59, 57, 61, 23? (a) 59 (b) 57 (c) 61 (d) 23
  2. 2.Which number is the odd one out: 90, 89, 13, 53? (a) 90 (b) 89 (c) 13 (d) 53
  3. 3.Which number is the odd one out: 57, 37, 3, 79? (a) 57 (b) 37 (c) 3 (d) 79
  4. 4.Which number is the odd one out: 18, 54, 44, 6? (a) 18 (b) 54 (c) 44 (d) 6
  5. 5.Which number is the odd one out: 23, 14, 71, 89? (a) 23 (b) 14 (c) 71 (d) 89
  6. 6.Which number is the odd one out: 8, 23, 17, 11? (a) 8 (b) 23 (c) 17 (d) 11
  7. 7.Which number is the odd one out: 34, 31, 67, 53? (a) 34 (b) 31 (c) 67 (d) 53
  8. 8.Which number is the odd one out: 2, 8, 19, 41? (a) 2 (b) 8 (c) 19 (d) 41
  9. 9.Which number is the odd one out: 89, 35, 47, 67? (a) 89 (b) 35 (c) 47 (d) 67
  10. 10.Which number is the odd one out: 21, 11, 79, 73? (a) 21 (b) 11 (c) 79 (d) 73
  11. 11.Which number is the odd one out: 2, 13, 44, 11? (a) 2 (b) 13 (c) 44 (d) 11
  12. 12.Which number is the odd one out: 36, 91, 63, 28? (a) 36 (b) 91 (c) 63 (d) 28
  13. 13.Which number is the odd one out: 40, 31, 71, 17? (a) 40 (b) 31 (c) 71 (d) 17
  14. 14.Which number is the odd one out: 71, 56, 47, 11? (a) 71 (b) 56 (c) 47 (d) 11
  15. 15.Which number is the odd one out: 18, 39, 54, 27? (a) 18 (b) 39 (c) 54 (d) 27
  16. 16.Which number is the odd one out: 96, 24, 32, 43? (a) 96 (b) 24 (c) 32 (d) 43
  17. 17.Which number is the odd one out: 43, 10, 67, 17? (a) 43 (b) 10 (c) 67 (d) 17
  18. 18.Which number is the odd one out: 53, 71, 49, 29? (a) 53 (b) 71 (c) 49 (d) 29
  19. 19.Which number is the odd one out: 99, 53, 67, 41? (a) 99 (b) 53 (c) 67 (d) 41
  20. 20.Which number is the odd one out: 64, 4, 42, 16? (a) 64 (b) 4 (c) 42 (d) 16
  21. 21.Which number is the odd one out: 41, 66, 29, 87? (a) 41 (b) 66 (c) 29 (d) 87
  22. 22.Which number is the odd one out: 77, 23, 11, 79? (a) 77 (b) 23 (c) 11 (d) 79
  23. 23.Which number is the odd one out: 59, 63, 43, 11? (a) 59 (b) 63 (c) 43 (d) 11
  24. 24.Which number is the odd one out: 27, 54, 30, 45? (a) 27 (b) 54 (c) 30 (d) 45
  25. 25.Which number is the odd one out: 77, 41, 59, 29? (a) 77 (b) 41 (c) 59 (d) 29
  26. 26.Which number is the odd one out: 73, 43, 19, 26? (a) 73 (b) 43 (c) 19 (d) 26
  27. 27.Which number is the odd one out: 5, 79, 13, 30? (a) 5 (b) 79 (c) 13 (d) 30
  28. 28.Which number is the odd one out: 37, 42, 31, 73? (a) 37 (b) 42 (c) 31 (d) 73
  29. 29.Which number is the odd one out: 18, 71, 67, 53? (a) 18 (b) 71 (c) 67 (d) 53
  30. 30.Which number is the odd one out: 4, 32, 51, 16? (a) 4 (b) 32 (c) 51 (d) 16
  31. 31.Which number is the odd one out: 19, 32, 89, 41? (a) 19 (b) 32 (c) 89 (d) 41
  32. 32.Which number is the odd one out: 83, 89, 4, 59? (a) 83 (b) 89 (c) 4 (d) 59
  33. 33.Which number is the odd one out: 89, 10, 53, 73? (a) 89 (b) 10 (c) 53 (d) 73
  34. 34.Which number is the odd one out: 72, 15, 90, 75? (a) 72 (b) 15 (c) 90 (d) 75
  35. 35.Which number is the odd one out: 67, 80, 47, 5? (a) 67 (b) 80 (c) 47 (d) 5
  36. 36.Which number is the odd one out: 68, 83, 43, 67? (a) 68 (b) 83 (c) 43 (d) 67
  37. 37.Which number is the odd one out: 14, 43, 29, 13? (a) 14 (b) 43 (c) 29 (d) 13
  38. 38.Which number is the odd one out: 8, 15, 16, 64? (a) 8 (b) 15 (c) 16 (d) 64
  39. 39.Which number is the odd one out: 53, 29, 62, 83? (a) 53 (b) 29 (c) 62 (d) 83
  40. 40.Which number is the odd one out: 30, 47, 71, 3? (a) 30 (b) 47 (c) 71 (d) 3

Answer key

  1. 57
  2. 90
  3. 57
  4. 44
  5. 14
  6. 8
  7. 34
  8. 8
  9. 35
  10. 21
  11. 44
  12. 36
  13. 40
  14. 56
  15. 39
  16. 43
  17. 10
  18. 49
  19. 99
  20. 42
  21. 66
  22. 77
  23. 63
  24. 30
  25. 77
  26. 26
  27. 30
  28. 42
  29. 18
  30. 51
  31. 32
  32. 4
  33. 10
  34. 72
  35. 80
  36. 68
  37. 14
  38. 15
  39. 62
  40. 30

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