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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 393 · 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: 27, 37, 54, 18? (a) 27 (b) 37 (c) 54 (d) 18
  2. 2.Which number is the odd one out: 3, 17, 89, 57? (a) 3 (b) 17 (c) 89 (d) 57
  3. 3.Which number is the odd one out: 13, 43, 48, 37? (a) 13 (b) 43 (c) 48 (d) 37
  4. 4.Which number is the odd one out: 50, 67, 5, 19? (a) 50 (b) 67 (c) 5 (d) 19
  5. 5.Which number is the odd one out: 19, 24, 67, 17? (a) 19 (b) 24 (c) 67 (d) 17
  6. 6.Which number is the odd one out: 68, 95, 52, 22? (a) 68 (b) 95 (c) 52 (d) 22
  7. 7.Which number is the odd one out: 89, 17, 82, 97? (a) 89 (b) 17 (c) 82 (d) 97
  8. 8.Which number is the odd one out: 98, 53, 41, 7? (a) 98 (b) 53 (c) 41 (d) 7
  9. 9.Which number is the odd one out: 17, 53, 9, 41? (a) 17 (b) 53 (c) 9 (d) 41
  10. 10.Which number is the odd one out: 71, 92, 19, 17? (a) 71 (b) 92 (c) 19 (d) 17
  11. 11.Which number is the odd one out: 13, 34, 11, 89? (a) 13 (b) 34 (c) 11 (d) 89
  12. 12.Which number is the odd one out: 80, 69, 32, 40? (a) 80 (b) 69 (c) 32 (d) 40
  13. 13.Which number is the odd one out: 99, 54, 93, 18? (a) 99 (b) 54 (c) 93 (d) 18
  14. 14.Which number is the odd one out: 59, 2, 36, 29? (a) 59 (b) 2 (c) 36 (d) 29
  15. 15.Which number is the odd one out: 90, 3, 41, 13? (a) 90 (b) 3 (c) 41 (d) 13
  16. 16.Which number is the odd one out: 53, 56, 7, 47? (a) 53 (b) 56 (c) 7 (d) 47
  17. 17.Which number is the odd one out: 93, 24, 96, 6? (a) 93 (b) 24 (c) 96 (d) 6
  18. 18.Which number is the odd one out: 3, 96, 2, 73? (a) 3 (b) 96 (c) 2 (d) 73
  19. 19.Which number is the odd one out: 89, 43, 62, 37? (a) 89 (b) 43 (c) 62 (d) 37
  20. 20.Which number is the odd one out: 31, 2, 43, 29? (a) 31 (b) 2 (c) 43 (d) 29
  21. 21.Which number is the odd one out: 21, 11, 19, 29? (a) 21 (b) 11 (c) 19 (d) 29
  22. 22.Which number is the odd one out: 84, 42, 34, 12? (a) 84 (b) 42 (c) 34 (d) 12
  23. 23.Which number is the odd one out: 30, 71, 60, 12? (a) 30 (b) 71 (c) 60 (d) 12
  24. 24.Which number is the odd one out: 73, 29, 66, 13? (a) 73 (b) 29 (c) 66 (d) 13
  25. 25.Which number is the odd one out: 37, 53, 43, 96? (a) 37 (b) 53 (c) 43 (d) 96
  26. 26.Which number is the odd one out: 41, 61, 17, 84? (a) 41 (b) 61 (c) 17 (d) 84
  27. 27.Which number is the odd one out: 23, 29, 98, 41? (a) 23 (b) 29 (c) 98 (d) 41
  28. 28.Which number is the odd one out: 24, 68, 88, 48? (a) 24 (b) 68 (c) 88 (d) 48
  29. 29.Which number is the odd one out: 30, 23, 67, 17? (a) 30 (b) 23 (c) 67 (d) 17
  30. 30.Which number is the odd one out: 59, 3, 23, 63? (a) 59 (b) 3 (c) 23 (d) 63
  31. 31.Which number is the odd one out: 25, 43, 73, 89? (a) 25 (b) 43 (c) 73 (d) 89
  32. 32.Which number is the odd one out: 61, 53, 71, 28? (a) 61 (b) 53 (c) 71 (d) 28
  33. 33.Which number is the odd one out: 13, 56, 77, 23? (a) 13 (b) 56 (c) 77 (d) 23
  34. 34.Which number is the odd one out: 60, 54, 90, 18? (a) 60 (b) 54 (c) 90 (d) 18
  35. 35.Which number is the odd one out: 64, 62, 16, 4? (a) 64 (b) 62 (c) 16 (d) 4
  36. 36.Which number is the odd one out: 31, 67, 92, 89? (a) 31 (b) 67 (c) 92 (d) 89
  37. 37.Which number is the odd one out: 96, 72, 18, 54? (a) 96 (b) 72 (c) 18 (d) 54
  38. 38.Which number is the odd one out: 61, 41, 48, 31? (a) 61 (b) 41 (c) 48 (d) 31
  39. 39.Which number is the odd one out: 39, 37, 89, 29? (a) 39 (b) 37 (c) 89 (d) 29
  40. 40.Which number is the odd one out: 21, 95, 65, 75? (a) 21 (b) 95 (c) 65 (d) 75

Answer key

  1. 37
  2. 57
  3. 48
  4. 50
  5. 24
  6. 95
  7. 82
  8. 98
  9. 9
  10. 92
  11. 34
  12. 69
  13. 93
  14. 36
  15. 90
  16. 56
  17. 93
  18. 96
  19. 62
  20. 2
  21. 21
  22. 34
  23. 71
  24. 66
  25. 96
  26. 84
  27. 98
  28. 68
  29. 30
  30. 63
  31. 25
  32. 28
  33. 56
  34. 60
  35. 62
  36. 92
  37. 96
  38. 48
  39. 39
  40. 21

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