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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 464 · 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: 4, 13, 87, 3? (a) 4 (b) 13 (c) 87 (d) 3
  2. 2.Which number is the odd one out: 9, 17, 79, 41? (a) 9 (b) 17 (c) 79 (d) 41
  3. 3.Which number is the odd one out: 48, 96, 13, 66? (a) 48 (b) 96 (c) 13 (d) 66
  4. 4.Which number is the odd one out: 48, 8, 62, 24? (a) 48 (b) 8 (c) 62 (d) 24
  5. 5.Which number is the odd one out: 89, 79, 7, 14? (a) 89 (b) 79 (c) 7 (d) 14
  6. 6.Which number is the odd one out: 83, 23, 56, 29? (a) 83 (b) 23 (c) 56 (d) 29
  7. 7.Which number is the odd one out: 97, 89, 19, 20? (a) 97 (b) 89 (c) 19 (d) 20
  8. 8.Which number is the odd one out: 19, 11, 8, 23? (a) 19 (b) 11 (c) 8 (d) 23
  9. 9.Which number is the odd one out: 79, 67, 44, 41? (a) 79 (b) 67 (c) 44 (d) 41
  10. 10.Which number is the odd one out: 48, 81, 27, 36? (a) 48 (b) 81 (c) 27 (d) 36
  11. 11.Which number is the odd one out: 73, 93, 71, 59? (a) 73 (b) 93 (c) 71 (d) 59
  12. 12.Which number is the odd one out: 70, 35, 14, 93? (a) 70 (b) 35 (c) 14 (d) 93
  13. 13.Which number is the odd one out: 95, 85, 55, 20? (a) 95 (b) 85 (c) 55 (d) 20
  14. 14.Which number is the odd one out: 2, 36, 3, 19? (a) 2 (b) 36 (c) 3 (d) 19
  15. 15.Which number is the odd one out: 13, 54, 31, 73? (a) 13 (b) 54 (c) 31 (d) 73
  16. 16.Which number is the odd one out: 79, 61, 16, 23? (a) 79 (b) 61 (c) 16 (d) 23
  17. 17.Which number is the odd one out: 61, 85, 79, 89? (a) 61 (b) 85 (c) 79 (d) 89
  18. 18.Which number is the odd one out: 2, 22, 79, 59? (a) 2 (b) 22 (c) 79 (d) 59
  19. 19.Which number is the odd one out: 61, 40, 83, 5? (a) 61 (b) 40 (c) 83 (d) 5
  20. 20.Which number is the odd one out: 11, 38, 2, 43? (a) 11 (b) 38 (c) 2 (d) 43
  21. 21.Which number is the odd one out: 32, 81, 16, 9? (a) 32 (b) 81 (c) 16 (d) 9
  22. 22.Which number is the odd one out: 78, 91, 93, 6? (a) 78 (b) 91 (c) 93 (d) 6
  23. 23.Which number is the odd one out: 73, 5, 75, 67? (a) 73 (b) 5 (c) 75 (d) 67
  24. 24.Which number is the odd one out: 63, 42, 30, 90? (a) 63 (b) 42 (c) 30 (d) 90
  25. 25.Which number is the odd one out: 96, 19, 24, 34? (a) 96 (b) 19 (c) 24 (d) 34
  26. 26.Which number is the odd one out: 37, 23, 97, 93? (a) 37 (b) 23 (c) 97 (d) 93
  27. 27.Which number is the odd one out: 31, 83, 47, 91? (a) 31 (b) 83 (c) 47 (d) 91
  28. 28.Which number is the odd one out: 83, 97, 34, 23? (a) 83 (b) 97 (c) 34 (d) 23
  29. 29.Which number is the odd one out: 22, 19, 17, 29? (a) 22 (b) 19 (c) 17 (d) 29
  30. 30.Which number is the odd one out: 35, 98, 55, 14? (a) 35 (b) 98 (c) 55 (d) 14
  31. 31.Which number is the odd one out: 73, 17, 14, 37? (a) 73 (b) 17 (c) 14 (d) 37
  32. 32.Which number is the odd one out: 58, 15, 34, 38? (a) 58 (b) 15 (c) 34 (d) 38
  33. 33.Which number is the odd one out: 16, 56, 14, 64? (a) 16 (b) 56 (c) 14 (d) 64
  34. 34.Which number is the odd one out: 78, 68, 60, 30? (a) 78 (b) 68 (c) 60 (d) 30
  35. 35.Which number is the odd one out: 17, 53, 71, 48? (a) 17 (b) 53 (c) 71 (d) 48
  36. 36.Which number is the odd one out: 56, 23, 11, 7? (a) 56 (b) 23 (c) 11 (d) 7
  37. 37.Which number is the odd one out: 79, 19, 69, 73? (a) 79 (b) 19 (c) 69 (d) 73
  38. 38.Which number is the odd one out: 92, 89, 8, 32? (a) 92 (b) 89 (c) 8 (d) 32
  39. 39.Which number is the odd one out: 20, 35, 92, 14? (a) 20 (b) 35 (c) 92 (d) 14
  40. 40.Which number is the odd one out: 16, 98, 64, 56? (a) 16 (b) 98 (c) 64 (d) 56

Answer key

  1. 4
  2. 9
  3. 13
  4. 62
  5. 14
  6. 56
  7. 20
  8. 8
  9. 44
  10. 48
  11. 93
  12. 93
  13. 20
  14. 36
  15. 54
  16. 16
  17. 85
  18. 22
  19. 40
  20. 38
  21. 32
  22. 91
  23. 75
  24. 63
  25. 19
  26. 93
  27. 91
  28. 34
  29. 22
  30. 55
  31. 14
  32. 15
  33. 14
  34. 68
  35. 48
  36. 56
  37. 69
  38. 89
  39. 35
  40. 98

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