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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 583 · 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: 67, 53, 77, 73? (a) 67 (b) 53 (c) 77 (d) 73
  2. 2.Which number is the odd one out: 73, 98, 35, 70? (a) 73 (b) 98 (c) 35 (d) 70
  3. 3.Which number is the odd one out: 14, 29, 71, 47? (a) 14 (b) 29 (c) 71 (d) 47
  4. 4.Which number is the odd one out: 66, 31, 47, 17? (a) 66 (b) 31 (c) 47 (d) 17
  5. 5.Which number is the odd one out: 11, 83, 48, 87? (a) 11 (b) 83 (c) 48 (d) 87
  6. 6.Which number is the odd one out: 78, 89, 29, 93? (a) 78 (b) 89 (c) 29 (d) 93
  7. 7.Which number is the odd one out: 50, 13, 79, 83? (a) 50 (b) 13 (c) 79 (d) 83
  8. 8.Which number is the odd one out: 45, 96, 30, 48? (a) 45 (b) 96 (c) 30 (d) 48
  9. 9.Which number is the odd one out: 7, 13, 11, 63? (a) 7 (b) 13 (c) 11 (d) 63
  10. 10.Which number is the odd one out: 61, 4, 41, 37? (a) 61 (b) 4 (c) 41 (d) 37
  11. 11.Which number is the odd one out: 89, 67, 13, 12? (a) 89 (b) 67 (c) 13 (d) 12
  12. 12.Which number is the odd one out: 68, 9, 52, 94? (a) 68 (b) 9 (c) 52 (d) 94
  13. 13.Which number is the odd one out: 47, 19, 11, 95? (a) 47 (b) 19 (c) 11 (d) 95
  14. 14.Which number is the odd one out: 32, 4, 16, 3? (a) 32 (b) 4 (c) 16 (d) 3
  15. 15.Which number is the odd one out: 90, 57, 45, 18? (a) 90 (b) 57 (c) 45 (d) 18
  16. 16.Which number is the odd one out: 29, 83, 17, 8? (a) 29 (b) 83 (c) 17 (d) 8
  17. 17.Which number is the odd one out: 8, 17, 88, 32? (a) 8 (b) 17 (c) 88 (d) 32
  18. 18.Which number is the odd one out: 61, 59, 40, 2? (a) 61 (b) 59 (c) 40 (d) 2
  19. 19.Which number is the odd one out: 96, 12, 40, 50? (a) 96 (b) 12 (c) 40 (d) 50
  20. 20.Which number is the odd one out: 17, 73, 22, 47? (a) 17 (b) 73 (c) 22 (d) 47
  21. 21.Which number is the odd one out: 10, 89, 31, 19? (a) 10 (b) 89 (c) 31 (d) 19
  22. 22.Which number is the odd one out: 79, 59, 23, 6? (a) 79 (b) 59 (c) 23 (d) 6
  23. 23.Which number is the odd one out: 31, 79, 11, 66? (a) 31 (b) 79 (c) 11 (d) 66
  24. 24.Which number is the odd one out: 30, 90, 29, 18? (a) 30 (b) 90 (c) 29 (d) 18
  25. 25.Which number is the odd one out: 5, 30, 61, 31? (a) 5 (b) 30 (c) 61 (d) 31
  26. 26.Which number is the odd one out: 80, 19, 41, 17? (a) 80 (b) 19 (c) 41 (d) 17
  27. 27.Which number is the odd one out: 20, 5, 43, 41? (a) 20 (b) 5 (c) 43 (d) 41
  28. 28.Which number is the odd one out: 51, 99, 28, 63? (a) 51 (b) 99 (c) 28 (d) 63
  29. 29.Which number is the odd one out: 84, 96, 64, 16? (a) 84 (b) 96 (c) 64 (d) 16
  30. 30.Which number is the odd one out: 24, 96, 25, 30? (a) 24 (b) 96 (c) 25 (d) 30
  31. 31.Which number is the odd one out: 13, 17, 16, 73? (a) 13 (b) 17 (c) 16 (d) 73
  32. 32.Which number is the odd one out: 81, 61, 9, 99? (a) 81 (b) 61 (c) 9 (d) 99
  33. 33.Which number is the odd one out: 31, 17, 70, 19? (a) 31 (b) 17 (c) 70 (d) 19
  34. 34.Which number is the odd one out: 91, 21, 35, 45? (a) 91 (b) 21 (c) 35 (d) 45
  35. 35.Which number is the odd one out: 90, 44, 32, 40? (a) 90 (b) 44 (c) 32 (d) 40
  36. 36.Which number is the odd one out: 47, 24, 53, 11? (a) 47 (b) 24 (c) 53 (d) 11
  37. 37.Which number is the odd one out: 6, 19, 2, 73? (a) 6 (b) 19 (c) 2 (d) 73
  38. 38.Which number is the odd one out: 59, 3, 61, 93? (a) 59 (b) 3 (c) 61 (d) 93
  39. 39.Which number is the odd one out: 97, 78, 17, 13? (a) 97 (b) 78 (c) 17 (d) 13
  40. 40.Which number is the odd one out: 13, 97, 42, 41? (a) 13 (b) 97 (c) 42 (d) 41

Answer key

  1. 77
  2. 73
  3. 14
  4. 66
  5. 48
  6. 78
  7. 50
  8. 45
  9. 63
  10. 4
  11. 12
  12. 9
  13. 95
  14. 3
  15. 57
  16. 8
  17. 17
  18. 40
  19. 50
  20. 22
  21. 10
  22. 6
  23. 66
  24. 29
  25. 30
  26. 80
  27. 20
  28. 28
  29. 84
  30. 25
  31. 16
  32. 61
  33. 70
  34. 45
  35. 90
  36. 24
  37. 6
  38. 93
  39. 78
  40. 42

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