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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 348 · 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: 13, 7, 11, 14? (a) 13 (b) 7 (c) 11 (d) 14
  2. 2.Which number is the odd one out: 36, 10, 65, 25? (a) 36 (b) 10 (c) 65 (d) 25
  3. 3.Which number is the odd one out: 64, 46, 32, 16? (a) 64 (b) 46 (c) 32 (d) 16
  4. 4.Which number is the odd one out: 33, 19, 57, 93? (a) 33 (b) 19 (c) 57 (d) 93
  5. 5.Which number is the odd one out: 23, 6, 97, 11? (a) 23 (b) 6 (c) 97 (d) 11
  6. 6.Which number is the odd one out: 2, 79, 4, 89? (a) 2 (b) 79 (c) 4 (d) 89
  7. 7.Which number is the odd one out: 3, 53, 29, 72? (a) 3 (b) 53 (c) 29 (d) 72
  8. 8.Which number is the odd one out: 29, 67, 61, 40? (a) 29 (b) 67 (c) 61 (d) 40
  9. 9.Which number is the odd one out: 24, 14, 96, 48? (a) 24 (b) 14 (c) 96 (d) 48
  10. 10.Which number is the odd one out: 40, 8, 80, 78? (a) 40 (b) 8 (c) 80 (d) 78
  11. 11.Which number is the odd one out: 48, 11, 32, 96? (a) 48 (b) 11 (c) 32 (d) 96
  12. 12.Which number is the odd one out: 39, 31, 37, 23? (a) 39 (b) 31 (c) 37 (d) 23
  13. 13.Which number is the odd one out: 51, 11, 19, 61? (a) 51 (b) 11 (c) 19 (d) 61
  14. 14.Which number is the odd one out: 9, 99, 81, 56? (a) 9 (b) 99 (c) 81 (d) 56
  15. 15.Which number is the odd one out: 87, 59, 66, 73? (a) 87 (b) 59 (c) 66 (d) 73
  16. 16.Which number is the odd one out: 67, 31, 53, 4? (a) 67 (b) 31 (c) 53 (d) 4
  17. 17.Which number is the odd one out: 92, 64, 32, 49? (a) 92 (b) 64 (c) 32 (d) 49
  18. 18.Which number is the odd one out: 13, 79, 12, 3? (a) 13 (b) 79 (c) 12 (d) 3
  19. 19.Which number is the odd one out: 36, 80, 40, 88? (a) 36 (b) 80 (c) 40 (d) 88
  20. 20.Which number is the odd one out: 88, 8, 32, 6? (a) 88 (b) 8 (c) 32 (d) 6
  21. 21.Which number is the odd one out: 32, 42, 48, 8? (a) 32 (b) 42 (c) 48 (d) 8
  22. 22.Which number is the odd one out: 61, 37, 17, 62? (a) 61 (b) 37 (c) 17 (d) 62
  23. 23.Which number is the odd one out: 17, 32, 13, 79? (a) 17 (b) 32 (c) 13 (d) 79
  24. 24.Which number is the odd one out: 13, 89, 29, 78? (a) 13 (b) 89 (c) 29 (d) 78
  25. 25.Which number is the odd one out: 2, 43, 67, 26? (a) 2 (b) 43 (c) 67 (d) 26
  26. 26.Which number is the odd one out: 79, 53, 4, 29? (a) 79 (b) 53 (c) 4 (d) 29
  27. 27.Which number is the odd one out: 10, 32, 8, 80? (a) 10 (b) 32 (c) 8 (d) 80
  28. 28.Which number is the odd one out: 71, 66, 93, 29? (a) 71 (b) 66 (c) 93 (d) 29
  29. 29.Which number is the odd one out: 5, 19, 53, 15? (a) 5 (b) 19 (c) 53 (d) 15
  30. 30.Which number is the odd one out: 41, 24, 19, 87? (a) 41 (b) 24 (c) 19 (d) 87
  31. 31.Which number is the odd one out: 80, 97, 40, 88? (a) 80 (b) 97 (c) 40 (d) 88
  32. 32.Which number is the odd one out: 71, 73, 43, 10? (a) 71 (b) 73 (c) 43 (d) 10
  33. 33.Which number is the odd one out: 83, 81, 73, 79? (a) 83 (b) 81 (c) 73 (d) 79
  34. 34.Which number is the odd one out: 96, 2, 97, 23? (a) 96 (b) 2 (c) 97 (d) 23
  35. 35.Which number is the odd one out: 41, 71, 5, 85? (a) 41 (b) 71 (c) 5 (d) 85
  36. 36.Which number is the odd one out: 11, 62, 53, 47? (a) 11 (b) 62 (c) 53 (d) 47
  37. 37.Which number is the odd one out: 22, 64, 32, 16? (a) 22 (b) 64 (c) 32 (d) 16
  38. 38.Which number is the odd one out: 76, 92, 86, 91? (a) 76 (b) 92 (c) 86 (d) 91
  39. 39.Which number is the odd one out: 13, 89, 75, 29? (a) 13 (b) 89 (c) 75 (d) 29
  40. 40.Which number is the odd one out: 73, 9, 43, 41? (a) 73 (b) 9 (c) 43 (d) 41

Answer key

  1. 14
  2. 36
  3. 46
  4. 19
  5. 6
  6. 4
  7. 72
  8. 40
  9. 14
  10. 78
  11. 11
  12. 39
  13. 51
  14. 56
  15. 66
  16. 4
  17. 49
  18. 12
  19. 36
  20. 6
  21. 42
  22. 62
  23. 32
  24. 78
  25. 26
  26. 4
  27. 10
  28. 66
  29. 15
  30. 24
  31. 97
  32. 10
  33. 81
  34. 96
  35. 85
  36. 62
  37. 22
  38. 91
  39. 75
  40. 9

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