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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 4 · 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: 14, 31, 43, 53? (a) 14 (b) 31 (c) 43 (d) 53
  2. 2.Which number is the odd one out: 13, 11, 39, 61? (a) 13 (b) 11 (c) 39 (d) 61
  3. 3.Which number is the odd one out: 17, 75, 71, 61? (a) 17 (b) 75 (c) 71 (d) 61
  4. 4.Which number is the odd one out: 59, 9, 61, 41? (a) 59 (b) 9 (c) 61 (d) 41
  5. 5.Which number is the odd one out: 67, 79, 76, 43? (a) 67 (b) 79 (c) 76 (d) 43
  6. 6.Which number is the odd one out: 11, 16, 23, 97? (a) 11 (b) 16 (c) 23 (d) 97
  7. 7.Which number is the odd one out: 95, 5, 2, 10? (a) 95 (b) 5 (c) 2 (d) 10
  8. 8.Which number is the odd one out: 73, 91, 53, 89? (a) 73 (b) 91 (c) 53 (d) 89
  9. 9.Which number is the odd one out: 3, 41, 21, 28? (a) 3 (b) 41 (c) 21 (d) 28
  10. 10.Which number is the odd one out: 31, 5, 20, 71? (a) 31 (b) 5 (c) 20 (d) 71
  11. 11.Which number is the odd one out: 77, 73, 71, 97? (a) 77 (b) 73 (c) 71 (d) 97
  12. 12.Which number is the odd one out: 10, 67, 71, 79? (a) 10 (b) 67 (c) 71 (d) 79
  13. 13.Which number is the odd one out: 84, 55, 42, 60? (a) 84 (b) 55 (c) 42 (d) 60
  14. 14.Which number is the odd one out: 15, 73, 67, 43? (a) 15 (b) 73 (c) 67 (d) 43
  15. 15.Which number is the odd one out: 47, 41, 69, 53? (a) 47 (b) 41 (c) 69 (d) 53
  16. 16.Which number is the odd one out: 37, 3, 13, 96? (a) 37 (b) 3 (c) 13 (d) 96
  17. 17.Which number is the odd one out: 65, 4, 64, 16? (a) 65 (b) 4 (c) 64 (d) 16
  18. 18.Which number is the odd one out: 88, 96, 82, 24? (a) 88 (b) 96 (c) 82 (d) 24
  19. 19.Which number is the odd one out: 67, 9, 59, 36? (a) 67 (b) 9 (c) 59 (d) 36
  20. 20.Which number is the odd one out: 6, 77, 33, 42? (a) 6 (b) 77 (c) 33 (d) 42
  21. 21.Which number is the odd one out: 79, 59, 43, 95? (a) 79 (b) 59 (c) 43 (d) 95
  22. 22.Which number is the odd one out: 90, 64, 4, 24? (a) 90 (b) 64 (c) 4 (d) 24
  23. 23.Which number is the odd one out: 50, 57, 39, 15? (a) 50 (b) 57 (c) 39 (d) 15
  24. 24.Which number is the odd one out: 91, 77, 14, 96? (a) 91 (b) 77 (c) 14 (d) 96
  25. 25.Which number is the odd one out: 96, 12, 24, 99? (a) 96 (b) 12 (c) 24 (d) 99
  26. 26.Which number is the odd one out: 29, 3, 81, 47? (a) 29 (b) 3 (c) 81 (d) 47
  27. 27.Which number is the odd one out: 3, 66, 71, 13? (a) 3 (b) 66 (c) 71 (d) 13
  28. 28.Which number is the odd one out: 13, 53, 19, 38? (a) 13 (b) 53 (c) 19 (d) 38
  29. 29.Which number is the odd one out: 60, 83, 11, 43? (a) 60 (b) 83 (c) 11 (d) 43
  30. 30.Which number is the odd one out: 67, 87, 11, 61? (a) 67 (b) 87 (c) 11 (d) 61
  31. 31.Which number is the odd one out: 23, 17, 79, 50? (a) 23 (b) 17 (c) 79 (d) 50
  32. 32.Which number is the odd one out: 44, 96, 24, 8? (a) 44 (b) 96 (c) 24 (d) 8
  33. 33.Which number is the odd one out: 85, 71, 43, 37? (a) 85 (b) 71 (c) 43 (d) 37
  34. 34.Which number is the odd one out: 49, 59, 17, 47? (a) 49 (b) 59 (c) 17 (d) 47
  35. 35.Which number is the odd one out: 51, 47, 3, 98? (a) 51 (b) 47 (c) 3 (d) 98
  36. 36.Which number is the odd one out: 83, 43, 47, 26? (a) 83 (b) 43 (c) 47 (d) 26
  37. 37.Which number is the odd one out: 67, 29, 79, 66? (a) 67 (b) 29 (c) 79 (d) 66
  38. 38.Which number is the odd one out: 46, 71, 59, 41? (a) 46 (b) 71 (c) 59 (d) 41
  39. 39.Which number is the odd one out: 88, 23, 31, 73? (a) 88 (b) 23 (c) 31 (d) 73
  40. 40.Which number is the odd one out: 43, 19, 56, 31? (a) 43 (b) 19 (c) 56 (d) 31

Answer key

  1. 14
  2. 39
  3. 75
  4. 9
  5. 76
  6. 16
  7. 2
  8. 91
  9. 28
  10. 20
  11. 77
  12. 10
  13. 55
  14. 15
  15. 69
  16. 96
  17. 65
  18. 82
  19. 36
  20. 77
  21. 95
  22. 90
  23. 50
  24. 96
  25. 99
  26. 81
  27. 66
  28. 38
  29. 60
  30. 87
  31. 50
  32. 44
  33. 85
  34. 49
  35. 98
  36. 26
  37. 66
  38. 46
  39. 88
  40. 56

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