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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 903 · 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: 39, 83, 18, 61? (a) 39 (b) 83 (c) 18 (d) 61
  2. 2.Which number is the odd one out: 41, 71, 31, 26? (a) 41 (b) 71 (c) 31 (d) 26
  3. 3.Which number is the odd one out: 5, 25, 59, 47? (a) 5 (b) 25 (c) 59 (d) 47
  4. 4.Which number is the odd one out: 48, 96, 23, 24? (a) 48 (b) 96 (c) 23 (d) 24
  5. 5.Which number is the odd one out: 27, 29, 3, 17? (a) 27 (b) 29 (c) 3 (d) 17
  6. 6.Which number is the odd one out: 59, 18, 83, 31? (a) 59 (b) 18 (c) 83 (d) 31
  7. 7.Which number is the odd one out: 7, 83, 98, 14? (a) 7 (b) 83 (c) 98 (d) 14
  8. 8.Which number is the odd one out: 41, 2, 3, 30? (a) 41 (b) 2 (c) 3 (d) 30
  9. 9.Which number is the odd one out: 6, 24, 80, 30? (a) 6 (b) 24 (c) 80 (d) 30
  10. 10.Which number is the odd one out: 88, 32, 40, 90? (a) 88 (b) 32 (c) 40 (d) 90
  11. 11.Which number is the odd one out: 88, 96, 2, 24? (a) 88 (b) 96 (c) 2 (d) 24
  12. 12.Which number is the odd one out: 79, 11, 66, 53? (a) 79 (b) 11 (c) 66 (d) 53
  13. 13.Which number is the odd one out: 53, 81, 19, 59? (a) 53 (b) 81 (c) 19 (d) 59
  14. 14.Which number is the odd one out: 73, 2, 11, 44? (a) 73 (b) 2 (c) 11 (d) 44
  15. 15.Which number is the odd one out: 23, 7, 73, 14? (a) 23 (b) 7 (c) 73 (d) 14
  16. 16.Which number is the odd one out: 8, 77, 64, 16? (a) 8 (b) 77 (c) 64 (d) 16
  17. 17.Which number is the odd one out: 20, 67, 23, 47? (a) 20 (b) 67 (c) 23 (d) 47
  18. 18.Which number is the odd one out: 39, 24, 37, 47? (a) 39 (b) 24 (c) 37 (d) 47
  19. 19.Which number is the odd one out: 71, 4, 73, 89? (a) 71 (b) 4 (c) 73 (d) 89
  20. 20.Which number is the odd one out: 17, 63, 3, 59? (a) 17 (b) 63 (c) 3 (d) 59
  21. 21.Which number is the odd one out: 35, 27, 45, 63? (a) 35 (b) 27 (c) 45 (d) 63
  22. 22.Which number is the odd one out: 58, 27, 81, 9? (a) 58 (b) 27 (c) 81 (d) 9
  23. 23.Which number is the odd one out: 81, 67, 73, 3? (a) 81 (b) 67 (c) 73 (d) 3
  24. 24.Which number is the odd one out: 61, 43, 29, 72? (a) 61 (b) 43 (c) 29 (d) 72
  25. 25.Which number is the odd one out: 37, 16, 67, 23? (a) 37 (b) 16 (c) 67 (d) 23
  26. 26.Which number is the odd one out: 43, 75, 31, 73? (a) 43 (b) 75 (c) 31 (d) 73
  27. 27.Which number is the odd one out: 71, 2, 59, 20? (a) 71 (b) 2 (c) 59 (d) 20
  28. 28.Which number is the odd one out: 89, 19, 73, 10? (a) 89 (b) 19 (c) 73 (d) 10
  29. 29.Which number is the odd one out: 16, 93, 64, 4? (a) 16 (b) 93 (c) 64 (d) 4
  30. 30.Which number is the odd one out: 96, 17, 88, 48? (a) 96 (b) 17 (c) 88 (d) 48
  31. 31.Which number is the odd one out: 67, 18, 11, 2? (a) 67 (b) 18 (c) 11 (d) 2
  32. 32.Which number is the odd one out: 72, 65, 96, 54? (a) 72 (b) 65 (c) 96 (d) 54
  33. 33.Which number is the odd one out: 81, 82, 68, 52? (a) 81 (b) 82 (c) 68 (d) 52
  34. 34.Which number is the odd one out: 23, 7, 14, 13? (a) 23 (b) 7 (c) 14 (d) 13
  35. 35.Which number is the odd one out: 31, 43, 17, 55? (a) 31 (b) 43 (c) 17 (d) 55
  36. 36.Which number is the odd one out: 53, 67, 23, 69? (a) 53 (b) 67 (c) 23 (d) 69
  37. 37.Which number is the odd one out: 35, 8, 56, 20? (a) 35 (b) 8 (c) 56 (d) 20
  38. 38.Which number is the odd one out: 41, 80, 2, 37? (a) 41 (b) 80 (c) 2 (d) 37
  39. 39.Which number is the odd one out: 12, 37, 71, 23? (a) 12 (b) 37 (c) 71 (d) 23
  40. 40.Which number is the odd one out: 4, 67, 16, 64? (a) 4 (b) 67 (c) 16 (d) 64

Answer key

  1. 18
  2. 26
  3. 25
  4. 23
  5. 27
  6. 18
  7. 83
  8. 30
  9. 80
  10. 90
  11. 2
  12. 66
  13. 81
  14. 44
  15. 14
  16. 77
  17. 20
  18. 24
  19. 4
  20. 63
  21. 35
  22. 58
  23. 81
  24. 72
  25. 16
  26. 75
  27. 20
  28. 10
  29. 93
  30. 17
  31. 18
  32. 65
  33. 81
  34. 14
  35. 55
  36. 69
  37. 35
  38. 80
  39. 12
  40. 67

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