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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 414 · 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: 6, 8, 32, 48? (a) 6 (b) 8 (c) 32 (d) 48
  2. 2.Which number is the odd one out: 31, 2, 29, 70? (a) 31 (b) 2 (c) 29 (d) 70
  3. 3.Which number is the odd one out: 53, 83, 12, 89? (a) 53 (b) 83 (c) 12 (d) 89
  4. 4.Which number is the odd one out: 31, 97, 43, 52? (a) 31 (b) 97 (c) 43 (d) 52
  5. 5.Which number is the odd one out: 45, 47, 89, 3? (a) 45 (b) 47 (c) 89 (d) 3
  6. 6.Which number is the odd one out: 67, 13, 18, 3? (a) 67 (b) 13 (c) 18 (d) 3
  7. 7.Which number is the odd one out: 77, 98, 14, 27? (a) 77 (b) 98 (c) 14 (d) 27
  8. 8.Which number is the odd one out: 36, 81, 96, 27? (a) 36 (b) 81 (c) 96 (d) 27
  9. 9.Which number is the odd one out: 89, 17, 67, 96? (a) 89 (b) 17 (c) 67 (d) 96
  10. 10.Which number is the odd one out: 86, 29, 3, 93? (a) 86 (b) 29 (c) 3 (d) 93
  11. 11.Which number is the odd one out: 30, 18, 61, 90? (a) 30 (b) 18 (c) 61 (d) 90
  12. 12.Which number is the odd one out: 88, 32, 21, 92? (a) 88 (b) 32 (c) 21 (d) 92
  13. 13.Which number is the odd one out: 44, 24, 35, 48? (a) 44 (b) 24 (c) 35 (d) 48
  14. 14.Which number is the odd one out: 66, 19, 29, 61? (a) 66 (b) 19 (c) 29 (d) 61
  15. 15.Which number is the odd one out: 21, 19, 84, 73? (a) 21 (b) 19 (c) 84 (d) 73
  16. 16.Which number is the odd one out: 8, 32, 10, 88? (a) 8 (b) 32 (c) 10 (d) 88
  17. 17.Which number is the odd one out: 97, 10, 29, 13? (a) 97 (b) 10 (c) 29 (d) 13
  18. 18.Which number is the odd one out: 11, 53, 2, 46? (a) 11 (b) 53 (c) 2 (d) 46
  19. 19.Which number is the odd one out: 32, 88, 49, 56? (a) 32 (b) 88 (c) 49 (d) 56
  20. 20.Which number is the odd one out: 19, 2, 72, 29? (a) 19 (b) 2 (c) 72 (d) 29
  21. 21.Which number is the odd one out: 11, 79, 84, 67? (a) 11 (b) 79 (c) 84 (d) 67
  22. 22.Which number is the odd one out: 48, 32, 26, 96? (a) 48 (b) 32 (c) 26 (d) 96
  23. 23.Which number is the odd one out: 12, 74, 25, 60? (a) 12 (b) 74 (c) 25 (d) 60
  24. 24.Which number is the odd one out: 99, 81, 16, 87? (a) 99 (b) 81 (c) 16 (d) 87
  25. 25.Which number is the odd one out: 61, 7, 97, 70? (a) 61 (b) 7 (c) 97 (d) 70
  26. 26.Which number is the odd one out: 10, 53, 47, 37? (a) 10 (b) 53 (c) 47 (d) 37
  27. 27.Which number is the odd one out: 53, 61, 92, 19? (a) 53 (b) 61 (c) 92 (d) 19
  28. 28.Which number is the odd one out: 43, 31, 37, 80? (a) 43 (b) 31 (c) 37 (d) 80
  29. 29.Which number is the odd one out: 23, 10, 13, 89? (a) 23 (b) 10 (c) 13 (d) 89
  30. 30.Which number is the odd one out: 71, 17, 67, 18? (a) 71 (b) 17 (c) 67 (d) 18
  31. 31.Which number is the odd one out: 98, 7, 17, 41? (a) 98 (b) 7 (c) 17 (d) 41
  32. 32.Which number is the odd one out: 41, 31, 83, 26? (a) 41 (b) 31 (c) 83 (d) 26
  33. 33.Which number is the odd one out: 21, 31, 29, 47? (a) 21 (b) 31 (c) 29 (d) 47
  34. 34.Which number is the odd one out: 33, 97, 13, 19? (a) 33 (b) 97 (c) 13 (d) 19
  35. 35.Which number is the odd one out: 36, 13, 83, 97? (a) 36 (b) 13 (c) 83 (d) 97
  36. 36.Which number is the odd one out: 96, 79, 32, 24? (a) 96 (b) 79 (c) 32 (d) 24
  37. 37.Which number is the odd one out: 11, 50, 47, 61? (a) 11 (b) 50 (c) 47 (d) 61
  38. 38.Which number is the odd one out: 90, 66, 10, 54? (a) 90 (b) 66 (c) 10 (d) 54
  39. 39.Which number is the odd one out: 59, 11, 61, 99? (a) 59 (b) 11 (c) 61 (d) 99
  40. 40.Which number is the odd one out: 93, 87, 12, 39? (a) 93 (b) 87 (c) 12 (d) 39

Answer key

  1. 6
  2. 70
  3. 12
  4. 52
  5. 45
  6. 18
  7. 27
  8. 96
  9. 96
  10. 86
  11. 61
  12. 21
  13. 35
  14. 66
  15. 84
  16. 10
  17. 10
  18. 46
  19. 49
  20. 72
  21. 84
  22. 26
  23. 25
  24. 16
  25. 70
  26. 10
  27. 92
  28. 80
  29. 10
  30. 18
  31. 98
  32. 26
  33. 21
  34. 33
  35. 36
  36. 79
  37. 50
  38. 10
  39. 99
  40. 12

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