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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 282 · 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: 44, 68, 6, 52? (a) 44 (b) 68 (c) 6 (d) 52
  2. 2.Which number is the odd one out: 56, 29, 41, 89? (a) 56 (b) 29 (c) 41 (d) 89
  3. 3.Which number is the odd one out: 15, 75, 50, 22? (a) 15 (b) 75 (c) 50 (d) 22
  4. 4.Which number is the odd one out: 53, 78, 23, 61? (a) 53 (b) 78 (c) 23 (d) 61
  5. 5.Which number is the odd one out: 41, 13, 31, 15? (a) 41 (b) 13 (c) 31 (d) 15
  6. 6.Which number is the odd one out: 27, 90, 99, 30? (a) 27 (b) 90 (c) 99 (d) 30
  7. 7.Which number is the odd one out: 19, 2, 83, 28? (a) 19 (b) 2 (c) 83 (d) 28
  8. 8.Which number is the odd one out: 73, 94, 71, 83? (a) 73 (b) 94 (c) 71 (d) 83
  9. 9.Which number is the odd one out: 11, 48, 41, 53? (a) 11 (b) 48 (c) 41 (d) 53
  10. 10.Which number is the odd one out: 14, 37, 23, 73? (a) 14 (b) 37 (c) 23 (d) 73
  11. 11.Which number is the odd one out: 79, 61, 70, 71? (a) 79 (b) 61 (c) 70 (d) 71
  12. 12.Which number is the odd one out: 24, 48, 12, 20? (a) 24 (b) 48 (c) 12 (d) 20
  13. 13.Which number is the odd one out: 13, 11, 97, 28? (a) 13 (b) 11 (c) 97 (d) 28
  14. 14.Which number is the odd one out: 5, 59, 17, 60? (a) 5 (b) 59 (c) 17 (d) 60
  15. 15.Which number is the odd one out: 37, 83, 13, 26? (a) 37 (b) 83 (c) 13 (d) 26
  16. 16.Which number is the odd one out: 81, 80, 9, 64? (a) 81 (b) 80 (c) 9 (d) 64
  17. 17.Which number is the odd one out: 17, 40, 65, 80? (a) 17 (b) 40 (c) 65 (d) 80
  18. 18.Which number is the odd one out: 65, 15, 51, 55? (a) 65 (b) 15 (c) 51 (d) 55
  19. 19.Which number is the odd one out: 47, 3, 31, 39? (a) 47 (b) 3 (c) 31 (d) 39
  20. 20.Which number is the odd one out: 2, 12, 43, 37? (a) 2 (b) 12 (c) 43 (d) 37
  21. 21.Which number is the odd one out: 23, 40, 41, 43? (a) 23 (b) 40 (c) 41 (d) 43
  22. 22.Which number is the odd one out: 17, 60, 3, 37? (a) 17 (b) 60 (c) 3 (d) 37
  23. 23.Which number is the odd one out: 38, 59, 89, 67? (a) 38 (b) 59 (c) 89 (d) 67
  24. 24.Which number is the odd one out: 27, 90, 66, 5? (a) 27 (b) 90 (c) 66 (d) 5
  25. 25.Which number is the odd one out: 26, 11, 34, 22? (a) 26 (b) 11 (c) 34 (d) 22
  26. 26.Which number is the odd one out: 45, 27, 85, 98? (a) 45 (b) 27 (c) 85 (d) 98
  27. 27.Which number is the odd one out: 90, 83, 19, 37? (a) 90 (b) 83 (c) 19 (d) 37
  28. 28.Which number is the odd one out: 73, 88, 64, 16? (a) 73 (b) 88 (c) 64 (d) 16
  29. 29.Which number is the odd one out: 22, 87, 39, 93? (a) 22 (b) 87 (c) 39 (d) 93
  30. 30.Which number is the odd one out: 23, 54, 67, 29? (a) 23 (b) 54 (c) 67 (d) 29
  31. 31.Which number is the odd one out: 18, 95, 72, 96? (a) 18 (b) 95 (c) 72 (d) 96
  32. 32.Which number is the odd one out: 44, 40, 80, 73? (a) 44 (b) 40 (c) 80 (d) 73
  33. 33.Which number is the odd one out: 80, 16, 64, 70? (a) 80 (b) 16 (c) 64 (d) 70
  34. 34.Which number is the odd one out: 47, 42, 11, 29? (a) 47 (b) 42 (c) 11 (d) 29
  35. 35.Which number is the odd one out: 3, 17, 90, 19? (a) 3 (b) 17 (c) 90 (d) 19
  36. 36.Which number is the odd one out: 67, 11, 76, 17? (a) 67 (b) 11 (c) 76 (d) 17
  37. 37.Which number is the odd one out: 16, 24, 84, 64? (a) 16 (b) 24 (c) 84 (d) 64
  38. 38.Which number is the odd one out: 88, 73, 11, 17? (a) 88 (b) 73 (c) 11 (d) 17
  39. 39.Which number is the odd one out: 69, 87, 83, 57? (a) 69 (b) 87 (c) 83 (d) 57
  40. 40.Which number is the odd one out: 2, 92, 59, 76? (a) 2 (b) 92 (c) 59 (d) 76

Answer key

  1. 6
  2. 56
  3. 22
  4. 78
  5. 15
  6. 30
  7. 28
  8. 94
  9. 48
  10. 14
  11. 70
  12. 20
  13. 28
  14. 60
  15. 26
  16. 80
  17. 17
  18. 51
  19. 39
  20. 12
  21. 40
  22. 60
  23. 38
  24. 5
  25. 11
  26. 98
  27. 90
  28. 73
  29. 22
  30. 54
  31. 95
  32. 73
  33. 70
  34. 42
  35. 90
  36. 76
  37. 84
  38. 88
  39. 83
  40. 59

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