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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 238 · 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: 87, 3, 53, 33? (a) 87 (b) 3 (c) 53 (d) 33
  2. 2.Which number is the odd one out: 3, 23, 30, 71? (a) 3 (b) 23 (c) 30 (d) 71
  3. 3.Which number is the odd one out: 44, 18, 96, 32? (a) 44 (b) 18 (c) 96 (d) 32
  4. 4.Which number is the odd one out: 91, 79, 37, 7? (a) 91 (b) 79 (c) 37 (d) 7
  5. 5.Which number is the odd one out: 27, 9, 3, 81? (a) 27 (b) 9 (c) 3 (d) 81
  6. 6.Which number is the odd one out: 59, 70, 13, 7? (a) 59 (b) 70 (c) 13 (d) 7
  7. 7.Which number is the odd one out: 17, 97, 40, 53? (a) 17 (b) 97 (c) 40 (d) 53
  8. 8.Which number is the odd one out: 2, 89, 3, 48? (a) 2 (b) 89 (c) 3 (d) 48
  9. 9.Which number is the odd one out: 41, 40, 61, 53? (a) 41 (b) 40 (c) 61 (d) 53
  10. 10.Which number is the odd one out: 80, 79, 83, 13? (a) 80 (b) 79 (c) 83 (d) 13
  11. 11.Which number is the odd one out: 29, 60, 31, 11? (a) 29 (b) 60 (c) 31 (d) 11
  12. 12.Which number is the odd one out: 67, 83, 59, 64? (a) 67 (b) 83 (c) 59 (d) 64
  13. 13.Which number is the odd one out: 39, 3, 43, 31? (a) 39 (b) 3 (c) 43 (d) 31
  14. 14.Which number is the odd one out: 2, 84, 43, 59? (a) 2 (b) 84 (c) 43 (d) 59
  15. 15.Which number is the odd one out: 84, 97, 7, 43? (a) 84 (b) 97 (c) 7 (d) 43
  16. 16.Which number is the odd one out: 23, 20, 59, 19? (a) 23 (b) 20 (c) 59 (d) 19
  17. 17.Which number is the odd one out: 19, 73, 44, 89? (a) 19 (b) 73 (c) 44 (d) 89
  18. 18.Which number is the odd one out: 42, 41, 19, 77? (a) 42 (b) 41 (c) 19 (d) 77
  19. 19.Which number is the odd one out: 96, 24, 12, 29? (a) 96 (b) 24 (c) 12 (d) 29
  20. 20.Which number is the odd one out: 57, 97, 59, 3? (a) 57 (b) 97 (c) 59 (d) 3
  21. 21.Which number is the odd one out: 68, 11, 20, 50? (a) 68 (b) 11 (c) 20 (d) 50
  22. 22.Which number is the odd one out: 90, 27, 85, 54? (a) 90 (b) 27 (c) 85 (d) 54
  23. 23.Which number is the odd one out: 97, 37, 56, 2? (a) 97 (b) 37 (c) 56 (d) 2
  24. 24.Which number is the odd one out: 78, 53, 79, 97? (a) 78 (b) 53 (c) 79 (d) 97
  25. 25.Which number is the odd one out: 37, 6, 23, 2? (a) 37 (b) 6 (c) 23 (d) 2
  26. 26.Which number is the odd one out: 61, 11, 84, 17? (a) 61 (b) 11 (c) 84 (d) 17
  27. 27.Which number is the odd one out: 67, 3, 95, 90? (a) 67 (b) 3 (c) 95 (d) 90
  28. 28.Which number is the odd one out: 56, 11, 17, 23? (a) 56 (b) 11 (c) 17 (d) 23
  29. 29.Which number is the odd one out: 89, 78, 61, 11? (a) 89 (b) 78 (c) 61 (d) 11
  30. 30.Which number is the odd one out: 5, 15, 57, 93? (a) 5 (b) 15 (c) 57 (d) 93
  31. 31.Which number is the odd one out: 31, 22, 47, 29? (a) 31 (b) 22 (c) 47 (d) 29
  32. 32.Which number is the odd one out: 13, 41, 3, 51? (a) 13 (b) 41 (c) 3 (d) 51
  33. 33.Which number is the odd one out: 59, 87, 43, 79? (a) 59 (b) 87 (c) 43 (d) 79
  34. 34.Which number is the odd one out: 71, 84, 79, 97? (a) 71 (b) 84 (c) 79 (d) 97
  35. 35.Which number is the odd one out: 48, 96, 56, 77? (a) 48 (b) 96 (c) 56 (d) 77
  36. 36.Which number is the odd one out: 19, 89, 10, 97? (a) 19 (b) 89 (c) 10 (d) 97
  37. 37.Which number is the odd one out: 37, 2, 39, 87? (a) 37 (b) 2 (c) 39 (d) 87
  38. 38.Which number is the odd one out: 47, 20, 40, 80? (a) 47 (b) 20 (c) 40 (d) 80
  39. 39.Which number is the odd one out: 41, 61, 63, 37? (a) 41 (b) 61 (c) 63 (d) 37
  40. 40.Which number is the odd one out: 59, 23, 39, 6? (a) 59 (b) 23 (c) 39 (d) 6

Answer key

  1. 53
  2. 30
  3. 18
  4. 91
  5. 3
  6. 70
  7. 40
  8. 48
  9. 40
  10. 80
  11. 60
  12. 64
  13. 39
  14. 84
  15. 84
  16. 20
  17. 44
  18. 42
  19. 29
  20. 57
  21. 11
  22. 85
  23. 56
  24. 78
  25. 6
  26. 84
  27. 90
  28. 56
  29. 78
  30. 5
  31. 22
  32. 51
  33. 87
  34. 84
  35. 77
  36. 10
  37. 2
  38. 47
  39. 63
  40. 6

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