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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 91 · 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: 67, 95, 53, 97? (a) 67 (b) 95 (c) 53 (d) 97
  2. 2.Which number is the odd one out: 56, 96, 71, 84? (a) 56 (b) 96 (c) 71 (d) 84
  3. 3.Which number is the odd one out: 31, 93, 37, 97? (a) 31 (b) 93 (c) 37 (d) 97
  4. 4.Which number is the odd one out: 5, 95, 31, 67? (a) 5 (b) 95 (c) 31 (d) 67
  5. 5.Which number is the odd one out: 18, 75, 90, 99? (a) 18 (b) 75 (c) 90 (d) 99
  6. 6.Which number is the odd one out: 68, 2, 11, 53? (a) 68 (b) 2 (c) 11 (d) 53
  7. 7.Which number is the odd one out: 6, 13, 17, 23? (a) 6 (b) 13 (c) 17 (d) 23
  8. 8.Which number is the odd one out: 43, 53, 2, 61? (a) 43 (b) 53 (c) 2 (d) 61
  9. 9.Which number is the odd one out: 72, 47, 2, 3? (a) 72 (b) 47 (c) 2 (d) 3
  10. 10.Which number is the odd one out: 29, 64, 16, 4? (a) 29 (b) 64 (c) 16 (d) 4
  11. 11.Which number is the odd one out: 13, 47, 31, 10? (a) 13 (b) 47 (c) 31 (d) 10
  12. 12.Which number is the odd one out: 59, 97, 53, 16? (a) 59 (b) 97 (c) 53 (d) 16
  13. 13.Which number is the odd one out: 67, 20, 71, 89? (a) 67 (b) 20 (c) 71 (d) 89
  14. 14.Which number is the odd one out: 74, 75, 62, 26? (a) 74 (b) 75 (c) 62 (d) 26
  15. 15.Which number is the odd one out: 88, 24, 48, 29? (a) 88 (b) 24 (c) 48 (d) 29
  16. 16.Which number is the odd one out: 14, 11, 97, 67? (a) 14 (b) 11 (c) 97 (d) 67
  17. 17.Which number is the odd one out: 44, 22, 19, 52? (a) 44 (b) 22 (c) 19 (d) 52
  18. 18.Which number is the odd one out: 46, 97, 2, 31? (a) 46 (b) 97 (c) 2 (d) 31
  19. 19.Which number is the odd one out: 19, 17, 76, 47? (a) 19 (b) 17 (c) 76 (d) 47
  20. 20.Which number is the odd one out: 13, 9, 79, 59? (a) 13 (b) 9 (c) 79 (d) 59
  21. 21.Which number is the odd one out: 8, 15, 75, 95? (a) 8 (b) 15 (c) 75 (d) 95
  22. 22.Which number is the odd one out: 68, 19, 47, 67? (a) 68 (b) 19 (c) 47 (d) 67
  23. 23.Which number is the odd one out: 91, 77, 7, 31? (a) 91 (b) 77 (c) 7 (d) 31
  24. 24.Which number is the odd one out: 47, 17, 29, 44? (a) 47 (b) 17 (c) 29 (d) 44
  25. 25.Which number is the odd one out: 73, 13, 43, 20? (a) 73 (b) 13 (c) 43 (d) 20
  26. 26.Which number is the odd one out: 99, 11, 83, 73? (a) 99 (b) 11 (c) 83 (d) 73
  27. 27.Which number is the odd one out: 77, 13, 19, 79? (a) 77 (b) 13 (c) 19 (d) 79
  28. 28.Which number is the odd one out: 52, 16, 64, 4? (a) 52 (b) 16 (c) 64 (d) 4
  29. 29.Which number is the odd one out: 73, 41, 54, 3? (a) 73 (b) 41 (c) 54 (d) 3
  30. 30.Which number is the odd one out: 15, 50, 12, 55? (a) 15 (b) 50 (c) 12 (d) 55
  31. 31.Which number is the odd one out: 37, 73, 51, 29? (a) 37 (b) 73 (c) 51 (d) 29
  32. 32.Which number is the odd one out: 83, 55, 31, 11? (a) 83 (b) 55 (c) 31 (d) 11
  33. 33.Which number is the odd one out: 26, 96, 24, 79? (a) 26 (b) 96 (c) 24 (d) 79
  34. 34.Which number is the odd one out: 3, 12, 31, 53? (a) 3 (b) 12 (c) 31 (d) 53
  35. 35.Which number is the odd one out: 55, 92, 5, 19? (a) 55 (b) 92 (c) 5 (d) 19
  36. 36.Which number is the odd one out: 39, 46, 27, 99? (a) 39 (b) 46 (c) 27 (d) 99
  37. 37.Which number is the odd one out: 37, 79, 24, 53? (a) 37 (b) 79 (c) 24 (d) 53
  38. 38.Which number is the odd one out: 73, 88, 83, 47? (a) 73 (b) 88 (c) 83 (d) 47
  39. 39.Which number is the odd one out: 97, 86, 61, 41? (a) 97 (b) 86 (c) 61 (d) 41
  40. 40.Which number is the odd one out: 45, 18, 59, 90? (a) 45 (b) 18 (c) 59 (d) 90

Answer key

  1. 95
  2. 71
  3. 93
  4. 95
  5. 75
  6. 68
  7. 6
  8. 2
  9. 72
  10. 29
  11. 10
  12. 16
  13. 20
  14. 75
  15. 29
  16. 14
  17. 19
  18. 46
  19. 76
  20. 9
  21. 8
  22. 68
  23. 31
  24. 44
  25. 20
  26. 99
  27. 77
  28. 52
  29. 54
  30. 12
  31. 51
  32. 55
  33. 79
  34. 12
  35. 92
  36. 46
  37. 24
  38. 88
  39. 86
  40. 59

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