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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 486 · 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: 8, 71, 64, 16? (a) 8 (b) 71 (c) 64 (d) 16
  2. 2.Which number is the odd one out: 54, 48, 29, 72? (a) 54 (b) 48 (c) 29 (d) 72
  3. 3.Which number is the odd one out: 11, 31, 12, 71? (a) 11 (b) 31 (c) 12 (d) 71
  4. 4.Which number is the odd one out: 13, 23, 59, 49? (a) 13 (b) 23 (c) 59 (d) 49
  5. 5.Which number is the odd one out: 83, 19, 30, 29? (a) 83 (b) 19 (c) 30 (d) 29
  6. 6.Which number is the odd one out: 89, 78, 73, 19? (a) 89 (b) 78 (c) 73 (d) 19
  7. 7.Which number is the odd one out: 97, 29, 2, 8? (a) 97 (b) 29 (c) 2 (d) 8
  8. 8.Which number is the odd one out: 79, 59, 19, 57? (a) 79 (b) 59 (c) 19 (d) 57
  9. 9.Which number is the odd one out: 53, 73, 31, 81? (a) 53 (b) 73 (c) 31 (d) 81
  10. 10.Which number is the odd one out: 9, 45, 99, 25? (a) 9 (b) 45 (c) 99 (d) 25
  11. 11.Which number is the odd one out: 89, 75, 5, 13? (a) 89 (b) 75 (c) 5 (d) 13
  12. 12.Which number is the odd one out: 47, 13, 19, 2? (a) 47 (b) 13 (c) 19 (d) 2
  13. 13.Which number is the odd one out: 41, 67, 13, 93? (a) 41 (b) 67 (c) 13 (d) 93
  14. 14.Which number is the odd one out: 3, 60, 71, 13? (a) 3 (b) 60 (c) 71 (d) 13
  15. 15.Which number is the odd one out: 53, 61, 46, 97? (a) 53 (b) 61 (c) 46 (d) 97
  16. 16.Which number is the odd one out: 41, 94, 43, 31? (a) 41 (b) 94 (c) 43 (d) 31
  17. 17.Which number is the odd one out: 72, 69, 47, 19? (a) 72 (b) 69 (c) 47 (d) 19
  18. 18.Which number is the odd one out: 6, 91, 74, 78? (a) 6 (b) 91 (c) 74 (d) 78
  19. 19.Which number is the odd one out: 74, 67, 79, 13? (a) 74 (b) 67 (c) 79 (d) 13
  20. 20.Which number is the odd one out: 94, 17, 19, 31? (a) 94 (b) 17 (c) 19 (d) 31
  21. 21.Which number is the odd one out: 97, 20, 67, 19? (a) 97 (b) 20 (c) 67 (d) 19
  22. 22.Which number is the odd one out: 17, 11, 70, 97? (a) 17 (b) 11 (c) 70 (d) 97
  23. 23.Which number is the odd one out: 3, 9, 17, 53? (a) 3 (b) 9 (c) 17 (d) 53
  24. 24.Which number is the odd one out: 65, 40, 96, 15? (a) 65 (b) 40 (c) 96 (d) 15
  25. 25.Which number is the odd one out: 66, 97, 47, 23? (a) 66 (b) 97 (c) 47 (d) 23
  26. 26.Which number is the odd one out: 91, 77, 7, 11? (a) 91 (b) 77 (c) 7 (d) 11
  27. 27.Which number is the odd one out: 96, 60, 10, 48? (a) 96 (b) 60 (c) 10 (d) 48
  28. 28.Which number is the odd one out: 53, 26, 29, 67? (a) 53 (b) 26 (c) 29 (d) 67
  29. 29.Which number is the odd one out: 81, 99, 9, 42? (a) 81 (b) 99 (c) 9 (d) 42
  30. 30.Which number is the odd one out: 12, 8, 61, 96? (a) 12 (b) 8 (c) 61 (d) 96
  31. 31.Which number is the odd one out: 47, 67, 19, 10? (a) 47 (b) 67 (c) 19 (d) 10
  32. 32.Which number is the odd one out: 94, 83, 37, 19? (a) 94 (b) 83 (c) 37 (d) 19
  33. 33.Which number is the odd one out: 53, 86, 29, 2? (a) 53 (b) 86 (c) 29 (d) 2
  34. 34.Which number is the odd one out: 78, 47, 19, 11? (a) 78 (b) 47 (c) 19 (d) 11
  35. 35.Which number is the odd one out: 57, 11, 3, 79? (a) 57 (b) 11 (c) 3 (d) 79
  36. 36.Which number is the odd one out: 87, 18, 41, 89? (a) 87 (b) 18 (c) 41 (d) 89
  37. 37.Which number is the odd one out: 77, 7, 67, 91? (a) 77 (b) 7 (c) 67 (d) 91
  38. 38.Which number is the odd one out: 97, 48, 8, 96? (a) 97 (b) 48 (c) 8 (d) 96
  39. 39.Which number is the odd one out: 54, 48, 72, 25? (a) 54 (b) 48 (c) 72 (d) 25
  40. 40.Which number is the odd one out: 89, 26, 53, 79? (a) 89 (b) 26 (c) 53 (d) 79

Answer key

  1. 71
  2. 29
  3. 12
  4. 49
  5. 30
  6. 78
  7. 8
  8. 57
  9. 81
  10. 25
  11. 75
  12. 2
  13. 93
  14. 60
  15. 46
  16. 94
  17. 72
  18. 91
  19. 74
  20. 94
  21. 20
  22. 70
  23. 9
  24. 96
  25. 66
  26. 11
  27. 10
  28. 26
  29. 42
  30. 61
  31. 10
  32. 94
  33. 86
  34. 78
  35. 57
  36. 18
  37. 67
  38. 97
  39. 25
  40. 26

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