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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 71 · 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: 69, 97, 90, 47? (a) 69 (b) 97 (c) 90 (d) 47
  2. 2.Which number is the odd one out: 24, 43, 47, 79? (a) 24 (b) 43 (c) 47 (d) 79
  3. 3.Which number is the odd one out: 8, 32, 84, 48? (a) 8 (b) 32 (c) 84 (d) 48
  4. 4.Which number is the odd one out: 59, 73, 95, 67? (a) 59 (b) 73 (c) 95 (d) 67
  5. 5.Which number is the odd one out: 65, 27, 54, 90? (a) 65 (b) 27 (c) 54 (d) 90
  6. 6.Which number is the odd one out: 28, 8, 40, 80? (a) 28 (b) 8 (c) 40 (d) 80
  7. 7.Which number is the odd one out: 5, 89, 90, 71? (a) 5 (b) 89 (c) 90 (d) 71
  8. 8.Which number is the odd one out: 66, 88, 96, 78? (a) 66 (b) 88 (c) 96 (d) 78
  9. 9.Which number is the odd one out: 71, 31, 66, 2? (a) 71 (b) 31 (c) 66 (d) 2
  10. 10.Which number is the odd one out: 96, 24, 18, 27? (a) 96 (b) 24 (c) 18 (d) 27
  11. 11.Which number is the odd one out: 8, 37, 13, 17? (a) 8 (b) 37 (c) 13 (d) 17
  12. 12.Which number is the odd one out: 61, 68, 71, 79? (a) 61 (b) 68 (c) 71 (d) 79
  13. 13.Which number is the odd one out: 31, 56, 19, 97? (a) 31 (b) 56 (c) 19 (d) 97
  14. 14.Which number is the odd one out: 59, 29, 85, 43? (a) 59 (b) 29 (c) 85 (d) 43
  15. 15.Which number is the odd one out: 41, 68, 92, 52? (a) 41 (b) 68 (c) 92 (d) 52
  16. 16.Which number is the odd one out: 17, 79, 31, 54? (a) 17 (b) 79 (c) 31 (d) 54
  17. 17.Which number is the odd one out: 53, 11, 31, 74? (a) 53 (b) 11 (c) 31 (d) 74
  18. 18.Which number is the odd one out: 83, 78, 11, 47? (a) 83 (b) 78 (c) 11 (d) 47
  19. 19.Which number is the odd one out: 48, 4, 96, 24? (a) 48 (b) 4 (c) 96 (d) 24
  20. 20.Which number is the odd one out: 53, 83, 93, 96? (a) 53 (b) 83 (c) 93 (d) 96
  21. 21.Which number is the odd one out: 47, 17, 52, 71? (a) 47 (b) 17 (c) 52 (d) 71
  22. 22.Which number is the odd one out: 22, 38, 57, 46? (a) 22 (b) 38 (c) 57 (d) 46
  23. 23.Which number is the odd one out: 84, 85, 95, 51? (a) 84 (b) 85 (c) 95 (d) 51
  24. 24.Which number is the odd one out: 13, 11, 72, 67? (a) 13 (b) 11 (c) 72 (d) 67
  25. 25.Which number is the odd one out: 89, 67, 77, 13? (a) 89 (b) 67 (c) 77 (d) 13
  26. 26.Which number is the odd one out: 41, 30, 73, 47? (a) 41 (b) 30 (c) 73 (d) 47
  27. 27.Which number is the odd one out: 47, 86, 43, 79? (a) 47 (b) 86 (c) 43 (d) 79
  28. 28.Which number is the odd one out: 29, 13, 54, 19? (a) 29 (b) 13 (c) 54 (d) 19
  29. 29.Which number is the odd one out: 11, 79, 59, 28? (a) 11 (b) 79 (c) 59 (d) 28
  30. 30.Which number is the odd one out: 3, 97, 24, 96? (a) 3 (b) 97 (c) 24 (d) 96
  31. 31.Which number is the odd one out: 29, 47, 70, 19? (a) 29 (b) 47 (c) 70 (d) 19
  32. 32.Which number is the odd one out: 56, 19, 97, 41? (a) 56 (b) 19 (c) 97 (d) 41
  33. 33.Which number is the odd one out: 17, 55, 29, 30? (a) 17 (b) 55 (c) 29 (d) 30
  34. 34.Which number is the odd one out: 3, 48, 61, 11? (a) 3 (b) 48 (c) 61 (d) 11
  35. 35.Which number is the odd one out: 59, 54, 39, 47? (a) 59 (b) 54 (c) 39 (d) 47
  36. 36.Which number is the odd one out: 19, 45, 71, 67? (a) 19 (b) 45 (c) 71 (d) 67
  37. 37.Which number is the odd one out: 21, 89, 7, 29? (a) 21 (b) 89 (c) 7 (d) 29
  38. 38.Which number is the odd one out: 37, 99, 73, 53? (a) 37 (b) 99 (c) 73 (d) 53
  39. 39.Which number is the odd one out: 53, 90, 61, 13? (a) 53 (b) 90 (c) 61 (d) 13
  40. 40.Which number is the odd one out: 31, 29, 48, 71? (a) 31 (b) 29 (c) 48 (d) 71

Answer key

  1. 90
  2. 24
  3. 84
  4. 95
  5. 65
  6. 28
  7. 90
  8. 88
  9. 66
  10. 27
  11. 8
  12. 68
  13. 56
  14. 85
  15. 41
  16. 54
  17. 74
  18. 78
  19. 4
  20. 96
  21. 52
  22. 57
  23. 84
  24. 72
  25. 77
  26. 30
  27. 86
  28. 54
  29. 28
  30. 97
  31. 70
  32. 56
  33. 30
  34. 48
  35. 54
  36. 45
  37. 21
  38. 99
  39. 90
  40. 48

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