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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 288 · 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: 9, 81, 88, 27? (a) 9 (b) 81 (c) 88 (d) 27
  2. 2.Which number is the odd one out: 48, 6, 96, 3? (a) 48 (b) 6 (c) 96 (d) 3
  3. 3.Which number is the odd one out: 56, 19, 73, 2? (a) 56 (b) 19 (c) 73 (d) 2
  4. 4.Which number is the odd one out: 97, 34, 17, 13? (a) 97 (b) 34 (c) 17 (d) 13
  5. 5.Which number is the odd one out: 58, 11, 61, 59? (a) 58 (b) 11 (c) 61 (d) 59
  6. 6.Which number is the odd one out: 61, 31, 68, 43? (a) 61 (b) 31 (c) 68 (d) 43
  7. 7.Which number is the odd one out: 64, 16, 4, 59? (a) 64 (b) 16 (c) 4 (d) 59
  8. 8.Which number is the odd one out: 71, 47, 83, 78? (a) 71 (b) 47 (c) 83 (d) 78
  9. 9.Which number is the odd one out: 15, 51, 55, 22? (a) 15 (b) 51 (c) 55 (d) 22
  10. 10.Which number is the odd one out: 79, 89, 6, 23? (a) 79 (b) 89 (c) 6 (d) 23
  11. 11.Which number is the odd one out: 40, 64, 49, 80? (a) 40 (b) 64 (c) 49 (d) 80
  12. 12.Which number is the odd one out: 89, 17, 36, 43? (a) 89 (b) 17 (c) 36 (d) 43
  13. 13.Which number is the odd one out: 83, 59, 8, 11? (a) 83 (b) 59 (c) 8 (d) 11
  14. 14.Which number is the odd one out: 29, 87, 17, 37? (a) 29 (b) 87 (c) 17 (d) 37
  15. 15.Which number is the odd one out: 59, 12, 53, 13? (a) 59 (b) 12 (c) 53 (d) 13
  16. 16.Which number is the odd one out: 24, 96, 33, 7? (a) 24 (b) 96 (c) 33 (d) 7
  17. 17.Which number is the odd one out: 47, 11, 12, 71? (a) 47 (b) 11 (c) 12 (d) 71
  18. 18.Which number is the odd one out: 74, 96, 78, 48? (a) 74 (b) 96 (c) 78 (d) 48
  19. 19.Which number is the odd one out: 93, 39, 27, 18? (a) 93 (b) 39 (c) 27 (d) 18
  20. 20.Which number is the odd one out: 59, 17, 43, 87? (a) 59 (b) 17 (c) 43 (d) 87
  21. 21.Which number is the odd one out: 81, 62, 9, 99? (a) 81 (b) 62 (c) 9 (d) 99
  22. 22.Which number is the odd one out: 27, 72, 96, 48? (a) 27 (b) 72 (c) 96 (d) 48
  23. 23.Which number is the odd one out: 27, 89, 17, 41? (a) 27 (b) 89 (c) 17 (d) 41
  24. 24.Which number is the odd one out: 31, 2, 53, 90? (a) 31 (b) 2 (c) 53 (d) 90
  25. 25.Which number is the odd one out: 23, 43, 54, 11? (a) 23 (b) 43 (c) 54 (d) 11
  26. 26.Which number is the odd one out: 15, 50, 76, 68? (a) 15 (b) 50 (c) 76 (d) 68
  27. 27.Which number is the odd one out: 51, 38, 57, 93? (a) 51 (b) 38 (c) 57 (d) 93
  28. 28.Which number is the odd one out: 8, 27, 44, 32? (a) 8 (b) 27 (c) 44 (d) 32
  29. 29.Which number is the odd one out: 71, 44, 2, 47? (a) 71 (b) 44 (c) 2 (d) 47
  30. 30.Which number is the odd one out: 14, 99, 98, 21? (a) 14 (b) 99 (c) 98 (d) 21
  31. 31.Which number is the odd one out: 11, 90, 47, 29? (a) 11 (b) 90 (c) 47 (d) 29
  32. 32.Which number is the odd one out: 31, 15, 83, 43? (a) 31 (b) 15 (c) 83 (d) 43
  33. 33.Which number is the odd one out: 17, 19, 47, 33? (a) 17 (b) 19 (c) 47 (d) 33
  34. 34.Which number is the odd one out: 66, 4, 6, 12? (a) 66 (b) 4 (c) 6 (d) 12
  35. 35.Which number is the odd one out: 37, 59, 87, 97? (a) 37 (b) 59 (c) 87 (d) 97
  36. 36.Which number is the odd one out: 43, 47, 4, 71? (a) 43 (b) 47 (c) 4 (d) 71
  37. 37.Which number is the odd one out: 79, 68, 37, 29? (a) 79 (b) 68 (c) 37 (d) 29
  38. 38.Which number is the odd one out: 51, 59, 83, 47? (a) 51 (b) 59 (c) 83 (d) 47
  39. 39.Which number is the odd one out: 25, 32, 40, 88? (a) 25 (b) 32 (c) 40 (d) 88
  40. 40.Which number is the odd one out: 72, 90, 40, 11? (a) 72 (b) 90 (c) 40 (d) 11

Answer key

  1. 88
  2. 3
  3. 56
  4. 34
  5. 58
  6. 68
  7. 59
  8. 78
  9. 22
  10. 6
  11. 49
  12. 36
  13. 8
  14. 87
  15. 12
  16. 7
  17. 12
  18. 74
  19. 18
  20. 87
  21. 62
  22. 27
  23. 27
  24. 90
  25. 54
  26. 15
  27. 38
  28. 27
  29. 44
  30. 99
  31. 90
  32. 15
  33. 33
  34. 4
  35. 87
  36. 4
  37. 68
  38. 51
  39. 25
  40. 11

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