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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 964 · 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: 6, 43, 83, 61? (a) 6 (b) 43 (c) 83 (d) 61
  2. 2.Which number is the odd one out: 75, 29, 41, 59? (a) 75 (b) 29 (c) 41 (d) 59
  3. 3.Which number is the odd one out: 24, 96, 80, 35? (a) 24 (b) 96 (c) 80 (d) 35
  4. 4.Which number is the odd one out: 73, 53, 51, 30? (a) 73 (b) 53 (c) 51 (d) 30
  5. 5.Which number is the odd one out: 35, 84, 12, 92? (a) 35 (b) 84 (c) 12 (d) 92
  6. 6.Which number is the odd one out: 32, 90, 16, 36? (a) 32 (b) 90 (c) 16 (d) 36
  7. 7.Which number is the odd one out: 37, 90, 17, 47? (a) 37 (b) 90 (c) 17 (d) 47
  8. 8.Which number is the odd one out: 71, 61, 55, 89? (a) 71 (b) 61 (c) 55 (d) 89
  9. 9.Which number is the odd one out: 13, 57, 17, 29? (a) 13 (b) 57 (c) 17 (d) 29
  10. 10.Which number is the odd one out: 63, 14, 35, 90? (a) 63 (b) 14 (c) 35 (d) 90
  11. 11.Which number is the odd one out: 66, 13, 19, 67? (a) 66 (b) 13 (c) 19 (d) 67
  12. 12.Which number is the odd one out: 13, 37, 69, 67? (a) 13 (b) 37 (c) 69 (d) 67
  13. 13.Which number is the odd one out: 31, 43, 59, 4? (a) 31 (b) 43 (c) 59 (d) 4
  14. 14.Which number is the odd one out: 13, 19, 97, 63? (a) 13 (b) 19 (c) 97 (d) 63
  15. 15.Which number is the odd one out: 23, 11, 89, 22? (a) 23 (b) 11 (c) 89 (d) 22
  16. 16.Which number is the odd one out: 73, 13, 98, 97? (a) 73 (b) 13 (c) 98 (d) 97
  17. 17.Which number is the odd one out: 79, 8, 31, 17? (a) 79 (b) 8 (c) 31 (d) 17
  18. 18.Which number is the odd one out: 83, 97, 29, 58? (a) 83 (b) 97 (c) 29 (d) 58
  19. 19.Which number is the odd one out: 8, 29, 67, 13? (a) 8 (b) 29 (c) 67 (d) 13
  20. 20.Which number is the odd one out: 83, 11, 23, 24? (a) 83 (b) 11 (c) 23 (d) 24
  21. 21.Which number is the odd one out: 86, 32, 40, 80? (a) 86 (b) 32 (c) 40 (d) 80
  22. 22.Which number is the odd one out: 97, 52, 41, 61? (a) 97 (b) 52 (c) 41 (d) 61
  23. 23.Which number is the odd one out: 97, 67, 30, 29? (a) 97 (b) 67 (c) 30 (d) 29
  24. 24.Which number is the odd one out: 94, 26, 93, 22? (a) 94 (b) 26 (c) 93 (d) 22
  25. 25.Which number is the odd one out: 81, 9, 8, 64? (a) 81 (b) 9 (c) 8 (d) 64
  26. 26.Which number is the odd one out: 73, 67, 29, 98? (a) 73 (b) 67 (c) 29 (d) 98
  27. 27.Which number is the odd one out: 31, 97, 23, 8? (a) 31 (b) 97 (c) 23 (d) 8
  28. 28.Which number is the odd one out: 43, 9, 53, 29? (a) 43 (b) 9 (c) 53 (d) 29
  29. 29.Which number is the odd one out: 11, 83, 67, 9? (a) 11 (b) 83 (c) 67 (d) 9
  30. 30.Which number is the odd one out: 68, 24, 48, 88? (a) 68 (b) 24 (c) 48 (d) 88
  31. 31.Which number is the odd one out: 10, 13, 38, 50? (a) 10 (b) 13 (c) 38 (d) 50
  32. 32.Which number is the odd one out: 24, 27, 36, 9? (a) 24 (b) 27 (c) 36 (d) 9
  33. 33.Which number is the odd one out: 12, 80, 40, 96? (a) 12 (b) 80 (c) 40 (d) 96
  34. 34.Which number is the odd one out: 41, 11, 31, 75? (a) 41 (b) 11 (c) 31 (d) 75
  35. 35.Which number is the odd one out: 3, 13, 69, 57? (a) 3 (b) 13 (c) 69 (d) 57
  36. 36.Which number is the odd one out: 90, 2, 17, 13? (a) 90 (b) 2 (c) 17 (d) 13
  37. 37.Which number is the odd one out: 97, 3, 29, 93? (a) 97 (b) 3 (c) 29 (d) 93
  38. 38.Which number is the odd one out: 13, 89, 8, 97? (a) 13 (b) 89 (c) 8 (d) 97
  39. 39.Which number is the odd one out: 17, 31, 41, 15? (a) 17 (b) 31 (c) 41 (d) 15
  40. 40.Which number is the odd one out: 54, 53, 3, 29? (a) 54 (b) 53 (c) 3 (d) 29

Answer key

  1. 6
  2. 75
  3. 35
  4. 30
  5. 35
  6. 90
  7. 90
  8. 55
  9. 57
  10. 90
  11. 66
  12. 69
  13. 4
  14. 63
  15. 22
  16. 98
  17. 8
  18. 58
  19. 8
  20. 24
  21. 86
  22. 52
  23. 30
  24. 93
  25. 8
  26. 98
  27. 8
  28. 9
  29. 9
  30. 68
  31. 13
  32. 24
  33. 12
  34. 75
  35. 13
  36. 90
  37. 93
  38. 8
  39. 15
  40. 54

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