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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 884 · 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: 63, 91, 77, 54? (a) 63 (b) 91 (c) 77 (d) 54
  2. 2.Which number is the odd one out: 32, 8, 52, 77? (a) 32 (b) 8 (c) 52 (d) 77
  3. 3.Which number is the odd one out: 28, 61, 13, 37? (a) 28 (b) 61 (c) 13 (d) 37
  4. 4.Which number is the odd one out: 93, 89, 41, 61? (a) 93 (b) 89 (c) 41 (d) 61
  5. 5.Which number is the odd one out: 97, 6, 61, 83? (a) 97 (b) 6 (c) 61 (d) 83
  6. 6.Which number is the odd one out: 64, 20, 80, 49? (a) 64 (b) 20 (c) 80 (d) 49
  7. 7.Which number is the odd one out: 69, 93, 33, 20? (a) 69 (b) 93 (c) 33 (d) 20
  8. 8.Which number is the odd one out: 92, 94, 52, 93? (a) 92 (b) 94 (c) 52 (d) 93
  9. 9.Which number is the odd one out: 19, 29, 41, 78? (a) 19 (b) 29 (c) 41 (d) 78
  10. 10.Which number is the odd one out: 34, 73, 53, 71? (a) 34 (b) 73 (c) 53 (d) 71
  11. 11.Which number is the odd one out: 13, 2, 44, 31? (a) 13 (b) 2 (c) 44 (d) 31
  12. 12.Which number is the odd one out: 16, 4, 64, 91? (a) 16 (b) 4 (c) 64 (d) 91
  13. 13.Which number is the odd one out: 13, 46, 29, 11? (a) 13 (b) 46 (c) 29 (d) 11
  14. 14.Which number is the odd one out: 79, 67, 60, 41? (a) 79 (b) 67 (c) 60 (d) 41
  15. 15.Which number is the odd one out: 73, 31, 71, 98? (a) 73 (b) 31 (c) 71 (d) 98
  16. 16.Which number is the odd one out: 71, 17, 65, 47? (a) 71 (b) 17 (c) 65 (d) 47
  17. 17.Which number is the odd one out: 79, 39, 19, 41? (a) 79 (b) 39 (c) 19 (d) 41
  18. 18.Which number is the odd one out: 43, 79, 47, 27? (a) 43 (b) 79 (c) 47 (d) 27
  19. 19.Which number is the odd one out: 11, 41, 37, 55? (a) 11 (b) 41 (c) 37 (d) 55
  20. 20.Which number is the odd one out: 11, 66, 24, 8? (a) 11 (b) 66 (c) 24 (d) 8
  21. 21.Which number is the odd one out: 55, 72, 48, 18? (a) 55 (b) 72 (c) 48 (d) 18
  22. 22.Which number is the odd one out: 97, 43, 31, 48? (a) 97 (b) 43 (c) 31 (d) 48
  23. 23.Which number is the odd one out: 37, 24, 97, 47? (a) 37 (b) 24 (c) 97 (d) 47
  24. 24.Which number is the odd one out: 59, 13, 10, 29? (a) 59 (b) 13 (c) 10 (d) 29
  25. 25.Which number is the odd one out: 16, 4, 29, 64? (a) 16 (b) 4 (c) 29 (d) 64
  26. 26.Which number is the odd one out: 96, 24, 36, 9? (a) 96 (b) 24 (c) 36 (d) 9
  27. 27.Which number is the odd one out: 61, 90, 23, 13? (a) 61 (b) 90 (c) 23 (d) 13
  28. 28.Which number is the odd one out: 19, 23, 8, 53? (a) 19 (b) 23 (c) 8 (d) 53
  29. 29.Which number is the odd one out: 37, 2, 64, 71? (a) 37 (b) 2 (c) 64 (d) 71
  30. 30.Which number is the odd one out: 37, 17, 73, 58? (a) 37 (b) 17 (c) 73 (d) 58
  31. 31.Which number is the odd one out: 32, 24, 96, 52? (a) 32 (b) 24 (c) 96 (d) 52
  32. 32.Which number is the odd one out: 66, 6, 86, 59? (a) 66 (b) 6 (c) 86 (d) 59
  33. 33.Which number is the odd one out: 71, 36, 47, 61? (a) 71 (b) 36 (c) 47 (d) 61
  34. 34.Which number is the odd one out: 62, 23, 73, 83? (a) 62 (b) 23 (c) 73 (d) 83
  35. 35.Which number is the odd one out: 65, 64, 8, 16? (a) 65 (b) 64 (c) 8 (d) 16
  36. 36.Which number is the odd one out: 2, 37, 10, 29? (a) 2 (b) 37 (c) 10 (d) 29
  37. 37.Which number is the odd one out: 79, 36, 67, 19? (a) 79 (b) 36 (c) 67 (d) 19
  38. 38.Which number is the odd one out: 41, 32, 59, 11? (a) 41 (b) 32 (c) 59 (d) 11
  39. 39.Which number is the odd one out: 8, 85, 12, 96? (a) 8 (b) 85 (c) 12 (d) 96
  40. 40.Which number is the odd one out: 34, 97, 71, 79? (a) 34 (b) 97 (c) 71 (d) 79

Answer key

  1. 54
  2. 77
  3. 28
  4. 93
  5. 6
  6. 49
  7. 20
  8. 93
  9. 78
  10. 34
  11. 44
  12. 91
  13. 46
  14. 60
  15. 98
  16. 65
  17. 39
  18. 27
  19. 55
  20. 11
  21. 55
  22. 48
  23. 24
  24. 10
  25. 29
  26. 9
  27. 90
  28. 8
  29. 64
  30. 58
  31. 52
  32. 59
  33. 36
  34. 62
  35. 65
  36. 10
  37. 36
  38. 32
  39. 85
  40. 34

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