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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 637 · 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: 19, 31, 79, 96? (a) 19 (b) 31 (c) 79 (d) 96
  2. 2.Which number is the odd one out: 89, 73, 33, 17? (a) 89 (b) 73 (c) 33 (d) 17
  3. 3.Which number is the odd one out: 17, 61, 73, 64? (a) 17 (b) 61 (c) 73 (d) 64
  4. 4.Which number is the odd one out: 59, 41, 73, 96? (a) 59 (b) 41 (c) 73 (d) 96
  5. 5.Which number is the odd one out: 19, 59, 23, 72? (a) 19 (b) 59 (c) 23 (d) 72
  6. 6.Which number is the odd one out: 64, 21, 16, 4? (a) 64 (b) 21 (c) 16 (d) 4
  7. 7.Which number is the odd one out: 67, 13, 54, 31? (a) 67 (b) 13 (c) 54 (d) 31
  8. 8.Which number is the odd one out: 55, 65, 2, 10? (a) 55 (b) 65 (c) 2 (d) 10
  9. 9.Which number is the odd one out: 11, 37, 99, 29? (a) 11 (b) 37 (c) 99 (d) 29
  10. 10.Which number is the odd one out: 64, 41, 43, 97? (a) 64 (b) 41 (c) 43 (d) 97
  11. 11.Which number is the odd one out: 66, 13, 71, 79? (a) 66 (b) 13 (c) 71 (d) 79
  12. 12.Which number is the odd one out: 75, 89, 59, 43? (a) 75 (b) 89 (c) 59 (d) 43
  13. 13.Which number is the odd one out: 96, 24, 53, 6? (a) 96 (b) 24 (c) 53 (d) 6
  14. 14.Which number is the odd one out: 96, 72, 36, 25? (a) 96 (b) 72 (c) 36 (d) 25
  15. 15.Which number is the odd one out: 13, 3, 15, 71? (a) 13 (b) 3 (c) 15 (d) 71
  16. 16.Which number is the odd one out: 73, 31, 65, 11? (a) 73 (b) 31 (c) 65 (d) 11
  17. 17.Which number is the odd one out: 60, 88, 80, 24? (a) 60 (b) 88 (c) 80 (d) 24
  18. 18.Which number is the odd one out: 81, 9, 36, 48? (a) 81 (b) 9 (c) 36 (d) 48
  19. 19.Which number is the odd one out: 96, 3, 24, 53? (a) 96 (b) 3 (c) 24 (d) 53
  20. 20.Which number is the odd one out: 48, 47, 2, 29? (a) 48 (b) 47 (c) 2 (d) 29
  21. 21.Which number is the odd one out: 66, 97, 31, 87? (a) 66 (b) 97 (c) 31 (d) 87
  22. 22.Which number is the odd one out: 59, 13, 70, 71? (a) 59 (b) 13 (c) 70 (d) 71
  23. 23.Which number is the odd one out: 6, 16, 64, 24? (a) 6 (b) 16 (c) 64 (d) 24
  24. 24.Which number is the odd one out: 27, 57, 90, 33? (a) 27 (b) 57 (c) 90 (d) 33
  25. 25.Which number is the odd one out: 67, 13, 61, 9? (a) 67 (b) 13 (c) 61 (d) 9
  26. 26.Which number is the odd one out: 37, 73, 59, 69? (a) 37 (b) 73 (c) 59 (d) 69
  27. 27.Which number is the odd one out: 77, 13, 79, 59? (a) 77 (b) 13 (c) 79 (d) 59
  28. 28.Which number is the odd one out: 2, 96, 18, 72? (a) 2 (b) 96 (c) 18 (d) 72
  29. 29.Which number is the odd one out: 71, 59, 2, 94? (a) 71 (b) 59 (c) 2 (d) 94
  30. 30.Which number is the odd one out: 83, 86, 59, 23? (a) 83 (b) 86 (c) 59 (d) 23
  31. 31.Which number is the odd one out: 43, 69, 23, 29? (a) 43 (b) 69 (c) 23 (d) 29
  32. 32.Which number is the odd one out: 67, 13, 16, 37? (a) 67 (b) 13 (c) 16 (d) 37
  33. 33.Which number is the odd one out: 22, 40, 80, 8? (a) 22 (b) 40 (c) 80 (d) 8
  34. 34.Which number is the odd one out: 93, 97, 61, 23? (a) 93 (b) 97 (c) 61 (d) 23
  35. 35.Which number is the odd one out: 25, 89, 53, 13? (a) 25 (b) 89 (c) 53 (d) 13
  36. 36.Which number is the odd one out: 67, 73, 41, 14? (a) 67 (b) 73 (c) 41 (d) 14
  37. 37.Which number is the odd one out: 24, 12, 8, 49? (a) 24 (b) 12 (c) 8 (d) 49
  38. 38.Which number is the odd one out: 50, 85, 43, 31? (a) 50 (b) 85 (c) 43 (d) 31
  39. 39.Which number is the odd one out: 65, 47, 80, 40? (a) 65 (b) 47 (c) 80 (d) 40
  40. 40.Which number is the odd one out: 70, 13, 7, 59? (a) 70 (b) 13 (c) 7 (d) 59

Answer key

  1. 96
  2. 33
  3. 64
  4. 96
  5. 72
  6. 21
  7. 54
  8. 2
  9. 99
  10. 64
  11. 66
  12. 75
  13. 53
  14. 25
  15. 15
  16. 65
  17. 60
  18. 48
  19. 53
  20. 48
  21. 66
  22. 70
  23. 6
  24. 90
  25. 9
  26. 69
  27. 77
  28. 2
  29. 94
  30. 86
  31. 69
  32. 16
  33. 22
  34. 93
  35. 25
  36. 14
  37. 49
  38. 50
  39. 47
  40. 70

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