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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 912 · 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: 60, 40, 48, 59? (a) 60 (b) 40 (c) 48 (d) 59
  2. 2.Which number is the odd one out: 83, 43, 73, 36? (a) 83 (b) 43 (c) 73 (d) 36
  3. 3.Which number is the odd one out: 47, 97, 94, 11? (a) 47 (b) 97 (c) 94 (d) 11
  4. 4.Which number is the odd one out: 55, 5, 53, 19? (a) 55 (b) 5 (c) 53 (d) 19
  5. 5.Which number is the odd one out: 2, 83, 71, 62? (a) 2 (b) 83 (c) 71 (d) 62
  6. 6.Which number is the odd one out: 18, 6, 80, 54? (a) 18 (b) 6 (c) 80 (d) 54
  7. 7.Which number is the odd one out: 90, 23, 43, 53? (a) 90 (b) 23 (c) 43 (d) 53
  8. 8.Which number is the odd one out: 95, 83, 11, 43? (a) 95 (b) 83 (c) 11 (d) 43
  9. 9.Which number is the odd one out: 73, 19, 91, 53? (a) 73 (b) 19 (c) 91 (d) 53
  10. 10.Which number is the odd one out: 21, 29, 43, 3? (a) 21 (b) 29 (c) 43 (d) 3
  11. 11.Which number is the odd one out: 71, 5, 6, 55? (a) 71 (b) 5 (c) 6 (d) 55
  12. 12.Which number is the odd one out: 8, 48, 24, 23? (a) 8 (b) 48 (c) 24 (d) 23
  13. 13.Which number is the odd one out: 60, 37, 55, 79? (a) 60 (b) 37 (c) 55 (d) 79
  14. 14.Which number is the odd one out: 4, 16, 94, 64? (a) 4 (b) 16 (c) 94 (d) 64
  15. 15.Which number is the odd one out: 89, 19, 97, 82? (a) 89 (b) 19 (c) 97 (d) 82
  16. 16.Which number is the odd one out: 73, 17, 37, 84? (a) 73 (b) 17 (c) 37 (d) 84
  17. 17.Which number is the odd one out: 24, 18, 72, 46? (a) 24 (b) 18 (c) 72 (d) 46
  18. 18.Which number is the odd one out: 17, 56, 2, 37? (a) 17 (b) 56 (c) 2 (d) 37
  19. 19.Which number is the odd one out: 94, 19, 89, 59? (a) 94 (b) 19 (c) 89 (d) 59
  20. 20.Which number is the odd one out: 98, 77, 60, 35? (a) 98 (b) 77 (c) 60 (d) 35
  21. 21.Which number is the odd one out: 50, 70, 95, 7? (a) 50 (b) 70 (c) 95 (d) 7
  22. 22.Which number is the odd one out: 61, 96, 73, 13? (a) 61 (b) 96 (c) 73 (d) 13
  23. 23.Which number is the odd one out: 35, 16, 64, 40? (a) 35 (b) 16 (c) 64 (d) 40
  24. 24.Which number is the odd one out: 81, 9, 27, 51? (a) 81 (b) 9 (c) 27 (d) 51
  25. 25.Which number is the odd one out: 40, 80, 54, 48? (a) 40 (b) 80 (c) 54 (d) 48
  26. 26.Which number is the odd one out: 67, 29, 47, 25? (a) 67 (b) 29 (c) 47 (d) 25
  27. 27.Which number is the odd one out: 84, 43, 53, 7? (a) 84 (b) 43 (c) 53 (d) 7
  28. 28.Which number is the odd one out: 3, 43, 37, 75? (a) 3 (b) 43 (c) 37 (d) 75
  29. 29.Which number is the odd one out: 66, 78, 6, 79? (a) 66 (b) 78 (c) 6 (d) 79
  30. 30.Which number is the odd one out: 54, 43, 41, 47? (a) 54 (b) 43 (c) 41 (d) 47
  31. 31.Which number is the odd one out: 13, 9, 27, 81? (a) 13 (b) 9 (c) 27 (d) 81
  32. 32.Which number is the odd one out: 47, 59, 89, 33? (a) 47 (b) 59 (c) 89 (d) 33
  33. 33.Which number is the odd one out: 40, 17, 31, 79? (a) 40 (b) 17 (c) 31 (d) 79
  34. 34.Which number is the odd one out: 33, 23, 11, 48? (a) 33 (b) 23 (c) 11 (d) 48
  35. 35.Which number is the odd one out: 25, 47, 37, 61? (a) 25 (b) 47 (c) 37 (d) 61
  36. 36.Which number is the odd one out: 3, 11, 67, 81? (a) 3 (b) 11 (c) 67 (d) 81
  37. 37.Which number is the odd one out: 58, 43, 31, 13? (a) 58 (b) 43 (c) 31 (d) 13
  38. 38.Which number is the odd one out: 24, 32, 23, 96? (a) 24 (b) 32 (c) 23 (d) 96
  39. 39.Which number is the odd one out: 28, 16, 64, 63? (a) 28 (b) 16 (c) 64 (d) 63
  40. 40.Which number is the odd one out: 83, 19, 7, 42? (a) 83 (b) 19 (c) 7 (d) 42

Answer key

  1. 59
  2. 36
  3. 94
  4. 55
  5. 62
  6. 80
  7. 90
  8. 95
  9. 91
  10. 21
  11. 6
  12. 23
  13. 60
  14. 94
  15. 82
  16. 84
  17. 46
  18. 56
  19. 94
  20. 60
  21. 7
  22. 96
  23. 35
  24. 51
  25. 54
  26. 25
  27. 84
  28. 75
  29. 79
  30. 54
  31. 13
  32. 33
  33. 40
  34. 48
  35. 25
  36. 81
  37. 58
  38. 23
  39. 63
  40. 42

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