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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 557 · 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: 24, 88, 48, 67? (a) 24 (b) 88 (c) 48 (d) 67
  2. 2.Which number is the odd one out: 53, 5, 29, 40? (a) 53 (b) 5 (c) 29 (d) 40
  3. 3.Which number is the odd one out: 24, 30, 40, 32? (a) 24 (b) 30 (c) 40 (d) 32
  4. 4.Which number is the odd one out: 89, 11, 27, 17? (a) 89 (b) 11 (c) 27 (d) 17
  5. 5.Which number is the odd one out: 25, 76, 24, 96? (a) 25 (b) 76 (c) 24 (d) 96
  6. 6.Which number is the odd one out: 79, 3, 27, 89? (a) 79 (b) 3 (c) 27 (d) 89
  7. 7.Which number is the odd one out: 6, 17, 2, 13? (a) 6 (b) 17 (c) 2 (d) 13
  8. 8.Which number is the odd one out: 79, 28, 43, 73? (a) 79 (b) 28 (c) 43 (d) 73
  9. 9.Which number is the odd one out: 80, 41, 53, 43? (a) 80 (b) 41 (c) 53 (d) 43
  10. 10.Which number is the odd one out: 60, 80, 24, 82? (a) 60 (b) 80 (c) 24 (d) 82
  11. 11.Which number is the odd one out: 29, 47, 48, 89? (a) 29 (b) 47 (c) 48 (d) 89
  12. 12.Which number is the odd one out: 73, 97, 41, 45? (a) 73 (b) 97 (c) 41 (d) 45
  13. 13.Which number is the odd one out: 47, 55, 13, 31? (a) 47 (b) 55 (c) 13 (d) 31
  14. 14.Which number is the odd one out: 47, 80, 37, 53? (a) 47 (b) 80 (c) 37 (d) 53
  15. 15.Which number is the odd one out: 20, 32, 80, 8? (a) 20 (b) 32 (c) 80 (d) 8
  16. 16.Which number is the odd one out: 67, 31, 72, 59? (a) 67 (b) 31 (c) 72 (d) 59
  17. 17.Which number is the odd one out: 73, 61, 53, 12? (a) 73 (b) 61 (c) 53 (d) 12
  18. 18.Which number is the odd one out: 24, 81, 18, 48? (a) 24 (b) 81 (c) 18 (d) 48
  19. 19.Which number is the odd one out: 52, 29, 71, 23? (a) 52 (b) 29 (c) 71 (d) 23
  20. 20.Which number is the odd one out: 41, 61, 37, 88? (a) 41 (b) 61 (c) 37 (d) 88
  21. 21.Which number is the odd one out: 47, 24, 88, 48? (a) 47 (b) 24 (c) 88 (d) 48
  22. 22.Which number is the odd one out: 87, 17, 29, 3? (a) 87 (b) 17 (c) 29 (d) 3
  23. 23.Which number is the odd one out: 43, 79, 81, 83? (a) 43 (b) 79 (c) 81 (d) 83
  24. 24.Which number is the odd one out: 4, 64, 58, 16? (a) 4 (b) 64 (c) 58 (d) 16
  25. 25.Which number is the odd one out: 17, 53, 59, 16? (a) 17 (b) 53 (c) 59 (d) 16
  26. 26.Which number is the odd one out: 42, 77, 12, 91? (a) 42 (b) 77 (c) 12 (d) 91
  27. 27.Which number is the odd one out: 83, 53, 67, 46? (a) 83 (b) 53 (c) 67 (d) 46
  28. 28.Which number is the odd one out: 64, 88, 16, 71? (a) 64 (b) 88 (c) 16 (d) 71
  29. 29.Which number is the odd one out: 55, 85, 78, 65? (a) 55 (b) 85 (c) 78 (d) 65
  30. 30.Which number is the odd one out: 53, 73, 19, 60? (a) 53 (b) 73 (c) 19 (d) 60
  31. 31.Which number is the odd one out: 18, 10, 30, 50? (a) 18 (b) 10 (c) 30 (d) 50
  32. 32.Which number is the odd one out: 89, 30, 19, 29? (a) 89 (b) 30 (c) 19 (d) 29
  33. 33.Which number is the odd one out: 31, 23, 37, 70? (a) 31 (b) 23 (c) 37 (d) 70
  34. 34.Which number is the odd one out: 77, 96, 56, 24? (a) 77 (b) 96 (c) 56 (d) 24
  35. 35.Which number is the odd one out: 91, 71, 47, 73? (a) 91 (b) 71 (c) 47 (d) 73
  36. 36.Which number is the odd one out: 68, 78, 32, 48? (a) 68 (b) 78 (c) 32 (d) 48
  37. 37.Which number is the odd one out: 48, 99, 72, 66? (a) 48 (b) 99 (c) 72 (d) 66
  38. 38.Which number is the odd one out: 73, 37, 43, 39? (a) 73 (b) 37 (c) 43 (d) 39
  39. 39.Which number is the odd one out: 63, 45, 40, 80? (a) 63 (b) 45 (c) 40 (d) 80
  40. 40.Which number is the odd one out: 67, 29, 73, 51? (a) 67 (b) 29 (c) 73 (d) 51

Answer key

  1. 67
  2. 40
  3. 30
  4. 27
  5. 25
  6. 27
  7. 6
  8. 28
  9. 80
  10. 82
  11. 48
  12. 45
  13. 55
  14. 80
  15. 20
  16. 72
  17. 12
  18. 81
  19. 52
  20. 88
  21. 47
  22. 87
  23. 81
  24. 58
  25. 16
  26. 12
  27. 46
  28. 71
  29. 78
  30. 60
  31. 18
  32. 30
  33. 70
  34. 77
  35. 91
  36. 78
  37. 99
  38. 39
  39. 63
  40. 51

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