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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 483 · 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: 41, 29, 26, 59? (a) 41 (b) 29 (c) 26 (d) 59
  2. 2.Which number is the odd one out: 72, 96, 18, 23? (a) 72 (b) 96 (c) 18 (d) 23
  3. 3.Which number is the odd one out: 59, 97, 50, 19? (a) 59 (b) 97 (c) 50 (d) 19
  4. 4.Which number is the odd one out: 11, 20, 97, 29? (a) 11 (b) 20 (c) 97 (d) 29
  5. 5.Which number is the odd one out: 13, 6, 37, 29? (a) 13 (b) 6 (c) 37 (d) 29
  6. 6.Which number is the odd one out: 3, 93, 29, 53? (a) 3 (b) 93 (c) 29 (d) 53
  7. 7.Which number is the odd one out: 3, 13, 99, 53? (a) 3 (b) 13 (c) 99 (d) 53
  8. 8.Which number is the odd one out: 79, 32, 41, 11? (a) 79 (b) 32 (c) 41 (d) 11
  9. 9.Which number is the odd one out: 61, 34, 47, 73? (a) 61 (b) 34 (c) 47 (d) 73
  10. 10.Which number is the odd one out: 41, 83, 36, 57? (a) 41 (b) 83 (c) 36 (d) 57
  11. 11.Which number is the odd one out: 90, 72, 15, 48? (a) 90 (b) 72 (c) 15 (d) 48
  12. 12.Which number is the odd one out: 84, 31, 37, 39? (a) 84 (b) 31 (c) 37 (d) 39
  13. 13.Which number is the odd one out: 54, 99, 18, 93? (a) 54 (b) 99 (c) 18 (d) 93
  14. 14.Which number is the odd one out: 31, 41, 43, 81? (a) 31 (b) 41 (c) 43 (d) 81
  15. 15.Which number is the odd one out: 53, 13, 42, 7? (a) 53 (b) 13 (c) 42 (d) 7
  16. 16.Which number is the odd one out: 61, 11, 71, 64? (a) 61 (b) 11 (c) 71 (d) 64
  17. 17.Which number is the odd one out: 30, 5, 83, 71? (a) 30 (b) 5 (c) 83 (d) 71
  18. 18.Which number is the odd one out: 31, 41, 5, 65? (a) 31 (b) 41 (c) 5 (d) 65
  19. 19.Which number is the odd one out: 61, 65, 95, 5? (a) 61 (b) 65 (c) 95 (d) 5
  20. 20.Which number is the odd one out: 15, 61, 59, 71? (a) 15 (b) 61 (c) 59 (d) 71
  21. 21.Which number is the odd one out: 80, 40, 53, 85? (a) 80 (b) 40 (c) 53 (d) 85
  22. 22.Which number is the odd one out: 61, 68, 43, 17? (a) 61 (b) 68 (c) 43 (d) 17
  23. 23.Which number is the odd one out: 52, 76, 74, 57? (a) 52 (b) 76 (c) 74 (d) 57
  24. 24.Which number is the odd one out: 61, 4, 11, 31? (a) 61 (b) 4 (c) 11 (d) 31
  25. 25.Which number is the odd one out: 59, 61, 42, 89? (a) 59 (b) 61 (c) 42 (d) 89
  26. 26.Which number is the odd one out: 67, 41, 19, 36? (a) 67 (b) 41 (c) 19 (d) 36
  27. 27.Which number is the odd one out: 87, 22, 8, 88? (a) 87 (b) 22 (c) 8 (d) 88
  28. 28.Which number is the odd one out: 8, 80, 77, 40? (a) 8 (b) 80 (c) 77 (d) 40
  29. 29.Which number is the odd one out: 16, 74, 4, 64? (a) 16 (b) 74 (c) 4 (d) 64
  30. 30.Which number is the odd one out: 4, 7, 64, 88? (a) 4 (b) 7 (c) 64 (d) 88
  31. 31.Which number is the odd one out: 85, 83, 40, 80? (a) 85 (b) 83 (c) 40 (d) 80
  32. 32.Which number is the odd one out: 5, 25, 9, 81? (a) 5 (b) 25 (c) 9 (d) 81
  33. 33.Which number is the odd one out: 19, 31, 46, 61? (a) 19 (b) 31 (c) 46 (d) 61
  34. 34.Which number is the odd one out: 3, 36, 41, 2? (a) 3 (b) 36 (c) 41 (d) 2
  35. 35.Which number is the odd one out: 90, 87, 15, 39? (a) 90 (b) 87 (c) 15 (d) 39
  36. 36.Which number is the odd one out: 75, 93, 3, 5? (a) 75 (b) 93 (c) 3 (d) 5
  37. 37.Which number is the odd one out: 53, 17, 44, 23? (a) 53 (b) 17 (c) 44 (d) 23
  38. 38.Which number is the odd one out: 23, 48, 29, 43? (a) 23 (b) 48 (c) 29 (d) 43
  39. 39.Which number is the odd one out: 78, 66, 51, 5? (a) 78 (b) 66 (c) 51 (d) 5
  40. 40.Which number is the odd one out: 41, 23, 37, 76? (a) 41 (b) 23 (c) 37 (d) 76

Answer key

  1. 26
  2. 23
  3. 50
  4. 20
  5. 6
  6. 93
  7. 99
  8. 32
  9. 34
  10. 36
  11. 15
  12. 84
  13. 93
  14. 81
  15. 42
  16. 64
  17. 30
  18. 65
  19. 61
  20. 15
  21. 53
  22. 68
  23. 57
  24. 4
  25. 42
  26. 36
  27. 87
  28. 77
  29. 74
  30. 7
  31. 83
  32. 5
  33. 46
  34. 36
  35. 90
  36. 5
  37. 44
  38. 48
  39. 5
  40. 76

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