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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 113 · 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: 73, 79, 76, 2? (a) 73 (b) 79 (c) 76 (d) 2
  2. 2.Which number is the odd one out: 13, 61, 2, 36? (a) 13 (b) 61 (c) 2 (d) 36
  3. 3.Which number is the odd one out: 60, 47, 83, 19? (a) 60 (b) 47 (c) 83 (d) 19
  4. 4.Which number is the odd one out: 59, 89, 13, 30? (a) 59 (b) 89 (c) 13 (d) 30
  5. 5.Which number is the odd one out: 23, 37, 5, 30? (a) 23 (b) 37 (c) 5 (d) 30
  6. 6.Which number is the odd one out: 43, 37, 31, 94? (a) 43 (b) 37 (c) 31 (d) 94
  7. 7.Which number is the odd one out: 48, 24, 8, 73? (a) 48 (b) 24 (c) 8 (d) 73
  8. 8.Which number is the odd one out: 63, 11, 37, 7? (a) 63 (b) 11 (c) 37 (d) 7
  9. 9.Which number is the odd one out: 25, 16, 88, 68? (a) 25 (b) 16 (c) 88 (d) 68
  10. 10.Which number is the odd one out: 5, 6, 87, 78? (a) 5 (b) 6 (c) 87 (d) 78
  11. 11.Which number is the odd one out: 17, 83, 43, 16? (a) 17 (b) 83 (c) 43 (d) 16
  12. 12.Which number is the odd one out: 37, 53, 98, 11? (a) 37 (b) 53 (c) 98 (d) 11
  13. 13.Which number is the odd one out: 89, 51, 13, 37? (a) 89 (b) 51 (c) 13 (d) 37
  14. 14.Which number is the odd one out: 7, 19, 43, 14? (a) 7 (b) 19 (c) 43 (d) 14
  15. 15.Which number is the odd one out: 56, 41, 2, 37? (a) 56 (b) 41 (c) 2 (d) 37
  16. 16.Which number is the odd one out: 72, 96, 14, 54? (a) 72 (b) 96 (c) 14 (d) 54
  17. 17.Which number is the odd one out: 47, 75, 67, 97? (a) 47 (b) 75 (c) 67 (d) 97
  18. 18.Which number is the odd one out: 52, 79, 83, 53? (a) 52 (b) 79 (c) 83 (d) 53
  19. 19.Which number is the odd one out: 85, 57, 51, 93? (a) 85 (b) 57 (c) 51 (d) 93
  20. 20.Which number is the odd one out: 75, 37, 23, 5? (a) 75 (b) 37 (c) 23 (d) 5
  21. 21.Which number is the odd one out: 61, 52, 3, 93? (a) 61 (b) 52 (c) 3 (d) 93
  22. 22.Which number is the odd one out: 41, 89, 84, 13? (a) 41 (b) 89 (c) 84 (d) 13
  23. 23.Which number is the odd one out: 17, 43, 54, 29? (a) 17 (b) 43 (c) 54 (d) 29
  24. 24.Which number is the odd one out: 17, 59, 40, 61? (a) 17 (b) 59 (c) 40 (d) 61
  25. 25.Which number is the odd one out: 91, 80, 40, 26? (a) 91 (b) 80 (c) 40 (d) 26
  26. 26.Which number is the odd one out: 41, 43, 42, 53? (a) 41 (b) 43 (c) 42 (d) 53
  27. 27.Which number is the odd one out: 13, 73, 20, 53? (a) 13 (b) 73 (c) 20 (d) 53
  28. 28.Which number is the odd one out: 2, 97, 94, 19? (a) 2 (b) 97 (c) 94 (d) 19
  29. 29.Which number is the odd one out: 13, 99, 53, 79? (a) 13 (b) 99 (c) 53 (d) 79
  30. 30.Which number is the odd one out: 53, 29, 14, 71? (a) 53 (b) 29 (c) 14 (d) 71
  31. 31.Which number is the odd one out: 43, 68, 37, 67? (a) 43 (b) 68 (c) 37 (d) 67
  32. 32.Which number is the odd one out: 32, 76, 30, 80? (a) 32 (b) 76 (c) 30 (d) 80
  33. 33.Which number is the odd one out: 27, 65, 81, 9? (a) 27 (b) 65 (c) 81 (d) 9
  34. 34.Which number is the odd one out: 79, 88, 47, 61? (a) 79 (b) 88 (c) 47 (d) 61
  35. 35.Which number is the odd one out: 18, 63, 99, 84? (a) 18 (b) 63 (c) 99 (d) 84
  36. 36.Which number is the odd one out: 5, 72, 54, 24? (a) 5 (b) 72 (c) 54 (d) 24
  37. 37.Which number is the odd one out: 31, 41, 21, 17? (a) 31 (b) 41 (c) 21 (d) 17
  38. 38.Which number is the odd one out: 61, 98, 47, 31? (a) 61 (b) 98 (c) 47 (d) 31
  39. 39.Which number is the odd one out: 72, 18, 82, 48? (a) 72 (b) 18 (c) 82 (d) 48
  40. 40.Which number is the odd one out: 53, 10, 2, 29? (a) 53 (b) 10 (c) 2 (d) 29

Answer key

  1. 76
  2. 36
  3. 60
  4. 30
  5. 30
  6. 94
  7. 73
  8. 63
  9. 25
  10. 5
  11. 16
  12. 98
  13. 51
  14. 14
  15. 56
  16. 14
  17. 75
  18. 52
  19. 85
  20. 75
  21. 52
  22. 84
  23. 54
  24. 40
  25. 91
  26. 42
  27. 20
  28. 94
  29. 99
  30. 14
  31. 68
  32. 30
  33. 65
  34. 88
  35. 84
  36. 5
  37. 21
  38. 98
  39. 82
  40. 10

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