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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 16 · 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: 89, 14, 43, 13? (a) 89 (b) 14 (c) 43 (d) 13
  2. 2.Which number is the odd one out: 71, 23, 66, 47? (a) 71 (b) 23 (c) 66 (d) 47
  3. 3.Which number is the odd one out: 47, 41, 21, 13? (a) 47 (b) 41 (c) 21 (d) 13
  4. 4.Which number is the odd one out: 47, 59, 2, 64? (a) 47 (b) 59 (c) 2 (d) 64
  5. 5.Which number is the odd one out: 89, 53, 85, 80? (a) 89 (b) 53 (c) 85 (d) 80
  6. 6.Which number is the odd one out: 26, 46, 58, 21? (a) 26 (b) 46 (c) 58 (d) 21
  7. 7.Which number is the odd one out: 71, 32, 41, 37? (a) 71 (b) 32 (c) 41 (d) 37
  8. 8.Which number is the odd one out: 60, 41, 29, 71? (a) 60 (b) 41 (c) 29 (d) 71
  9. 9.Which number is the odd one out: 19, 43, 23, 15? (a) 19 (b) 43 (c) 23 (d) 15
  10. 10.Which number is the odd one out: 41, 90, 23, 83? (a) 41 (b) 90 (c) 23 (d) 83
  11. 11.Which number is the odd one out: 8, 96, 24, 5? (a) 8 (b) 96 (c) 24 (d) 5
  12. 12.Which number is the odd one out: 95, 17, 61, 79? (a) 95 (b) 17 (c) 61 (d) 79
  13. 13.Which number is the odd one out: 43, 28, 89, 29? (a) 43 (b) 28 (c) 89 (d) 29
  14. 14.Which number is the odd one out: 31, 11, 4, 73? (a) 31 (b) 11 (c) 4 (d) 73
  15. 15.Which number is the odd one out: 54, 65, 50, 95? (a) 54 (b) 65 (c) 50 (d) 95
  16. 16.Which number is the odd one out: 6, 31, 43, 89? (a) 6 (b) 31 (c) 43 (d) 89
  17. 17.Which number is the odd one out: 23, 37, 46, 41? (a) 23 (b) 37 (c) 46 (d) 41
  18. 18.Which number is the odd one out: 92, 8, 96, 24? (a) 92 (b) 8 (c) 96 (d) 24
  19. 19.Which number is the odd one out: 89, 50, 73, 59? (a) 89 (b) 50 (c) 73 (d) 59
  20. 20.Which number is the odd one out: 96, 10, 24, 78? (a) 96 (b) 10 (c) 24 (d) 78
  21. 21.Which number is the odd one out: 26, 44, 52, 87? (a) 26 (b) 44 (c) 52 (d) 87
  22. 22.Which number is the odd one out: 9, 81, 99, 42? (a) 9 (b) 81 (c) 99 (d) 42
  23. 23.Which number is the odd one out: 41, 31, 88, 67? (a) 41 (b) 31 (c) 88 (d) 67
  24. 24.Which number is the odd one out: 67, 63, 73, 19? (a) 67 (b) 63 (c) 73 (d) 19
  25. 25.Which number is the odd one out: 97, 45, 5, 83? (a) 97 (b) 45 (c) 5 (d) 83
  26. 26.Which number is the odd one out: 24, 65, 12, 88? (a) 24 (b) 65 (c) 12 (d) 88
  27. 27.Which number is the odd one out: 64, 16, 60, 4? (a) 64 (b) 16 (c) 60 (d) 4
  28. 28.Which number is the odd one out: 23, 67, 13, 66? (a) 23 (b) 67 (c) 13 (d) 66
  29. 29.Which number is the odd one out: 24, 60, 48, 20? (a) 24 (b) 60 (c) 48 (d) 20
  30. 30.Which number is the odd one out: 48, 83, 97, 89? (a) 48 (b) 83 (c) 97 (d) 89
  31. 31.Which number is the odd one out: 97, 24, 33, 11? (a) 97 (b) 24 (c) 33 (d) 11
  32. 32.Which number is the odd one out: 13, 35, 89, 5? (a) 13 (b) 35 (c) 89 (d) 5
  33. 33.Which number is the odd one out: 43, 37, 31, 72? (a) 43 (b) 37 (c) 31 (d) 72
  34. 34.Which number is the odd one out: 24, 88, 48, 13? (a) 24 (b) 88 (c) 48 (d) 13
  35. 35.Which number is the odd one out: 64, 43, 4, 16? (a) 64 (b) 43 (c) 4 (d) 16
  36. 36.Which number is the odd one out: 43, 77, 53, 17? (a) 43 (b) 77 (c) 53 (d) 17
  37. 37.Which number is the odd one out: 57, 73, 83, 11? (a) 57 (b) 73 (c) 83 (d) 11
  38. 38.Which number is the odd one out: 89, 22, 97, 41? (a) 89 (b) 22 (c) 97 (d) 41
  39. 39.Which number is the odd one out: 96, 18, 87, 72? (a) 96 (b) 18 (c) 87 (d) 72
  40. 40.Which number is the odd one out: 71, 41, 95, 59? (a) 71 (b) 41 (c) 95 (d) 59

Answer key

  1. 14
  2. 66
  3. 21
  4. 64
  5. 80
  6. 21
  7. 32
  8. 60
  9. 15
  10. 90
  11. 5
  12. 95
  13. 28
  14. 4
  15. 54
  16. 6
  17. 46
  18. 92
  19. 50
  20. 10
  21. 87
  22. 42
  23. 88
  24. 63
  25. 45
  26. 65
  27. 60
  28. 66
  29. 20
  30. 48
  31. 24
  32. 35
  33. 72
  34. 13
  35. 43
  36. 77
  37. 57
  38. 22
  39. 87
  40. 95

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