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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 855 · 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: 84, 53, 83, 73? (a) 84 (b) 53 (c) 83 (d) 73
  2. 2.Which number is the odd one out: 66, 5, 18, 45? (a) 66 (b) 5 (c) 18 (d) 45
  3. 3.Which number is the odd one out: 65, 44, 10, 95? (a) 65 (b) 44 (c) 10 (d) 95
  4. 4.Which number is the odd one out: 86, 47, 31, 41? (a) 86 (b) 47 (c) 31 (d) 41
  5. 5.Which number is the odd one out: 53, 37, 19, 39? (a) 53 (b) 37 (c) 19 (d) 39
  6. 6.Which number is the odd one out: 91, 98, 77, 10? (a) 91 (b) 98 (c) 77 (d) 10
  7. 7.Which number is the odd one out: 29, 19, 17, 60? (a) 29 (b) 19 (c) 17 (d) 60
  8. 8.Which number is the odd one out: 73, 54, 90, 15? (a) 73 (b) 54 (c) 90 (d) 15
  9. 9.Which number is the odd one out: 2, 54, 71, 47? (a) 2 (b) 54 (c) 71 (d) 47
  10. 10.Which number is the odd one out: 53, 59, 19, 78? (a) 53 (b) 59 (c) 19 (d) 78
  11. 11.Which number is the odd one out: 4, 64, 16, 46? (a) 4 (b) 64 (c) 16 (d) 46
  12. 12.Which number is the odd one out: 89, 46, 79, 41? (a) 89 (b) 46 (c) 79 (d) 41
  13. 13.Which number is the odd one out: 88, 32, 76, 81? (a) 88 (b) 32 (c) 76 (d) 81
  14. 14.Which number is the odd one out: 3, 23, 69, 19? (a) 3 (b) 23 (c) 69 (d) 19
  15. 15.Which number is the odd one out: 53, 42, 61, 59? (a) 53 (b) 42 (c) 61 (d) 59
  16. 16.Which number is the odd one out: 71, 41, 31, 33? (a) 71 (b) 41 (c) 31 (d) 33
  17. 17.Which number is the odd one out: 67, 28, 29, 19? (a) 67 (b) 28 (c) 29 (d) 19
  18. 18.Which number is the odd one out: 41, 23, 29, 34? (a) 41 (b) 23 (c) 29 (d) 34
  19. 19.Which number is the odd one out: 97, 53, 10, 13? (a) 97 (b) 53 (c) 10 (d) 13
  20. 20.Which number is the odd one out: 59, 8, 53, 29? (a) 59 (b) 8 (c) 53 (d) 29
  21. 21.Which number is the odd one out: 30, 6, 57, 35? (a) 30 (b) 6 (c) 57 (d) 35
  22. 22.Which number is the odd one out: 4, 16, 64, 21? (a) 4 (b) 16 (c) 64 (d) 21
  23. 23.Which number is the odd one out: 24, 60, 48, 96? (a) 24 (b) 60 (c) 48 (d) 96
  24. 24.Which number is the odd one out: 72, 24, 54, 3? (a) 72 (b) 24 (c) 54 (d) 3
  25. 25.Which number is the odd one out: 54, 45, 30, 19? (a) 54 (b) 45 (c) 30 (d) 19
  26. 26.Which number is the odd one out: 2, 29, 59, 32? (a) 2 (b) 29 (c) 59 (d) 32
  27. 27.Which number is the odd one out: 37, 3, 61, 30? (a) 37 (b) 3 (c) 61 (d) 30
  28. 28.Which number is the odd one out: 73, 41, 26, 13? (a) 73 (b) 41 (c) 26 (d) 13
  29. 29.Which number is the odd one out: 14, 83, 59, 19? (a) 14 (b) 83 (c) 59 (d) 19
  30. 30.Which number is the odd one out: 17, 80, 89, 61? (a) 17 (b) 80 (c) 89 (d) 61
  31. 31.Which number is the odd one out: 20, 59, 73, 31? (a) 20 (b) 59 (c) 73 (d) 31
  32. 32.Which number is the odd one out: 83, 97, 67, 63? (a) 83 (b) 97 (c) 67 (d) 63
  33. 33.Which number is the odd one out: 35, 70, 67, 98? (a) 35 (b) 70 (c) 67 (d) 98
  34. 34.Which number is the odd one out: 93, 19, 60, 71? (a) 93 (b) 19 (c) 60 (d) 71
  35. 35.Which number is the odd one out: 63, 15, 98, 45? (a) 63 (b) 15 (c) 98 (d) 45
  36. 36.Which number is the odd one out: 64, 75, 16, 92? (a) 64 (b) 75 (c) 16 (d) 92
  37. 37.Which number is the odd one out: 17, 97, 83, 45? (a) 17 (b) 97 (c) 83 (d) 45
  38. 38.Which number is the odd one out: 59, 41, 42, 73? (a) 59 (b) 41 (c) 42 (d) 73
  39. 39.Which number is the odd one out: 89, 17, 95, 73? (a) 89 (b) 17 (c) 95 (d) 73
  40. 40.Which number is the odd one out: 37, 3, 17, 39? (a) 37 (b) 3 (c) 17 (d) 39

Answer key

  1. 84
  2. 5
  3. 44
  4. 86
  5. 39
  6. 10
  7. 60
  8. 73
  9. 54
  10. 78
  11. 46
  12. 46
  13. 81
  14. 69
  15. 42
  16. 33
  17. 28
  18. 34
  19. 10
  20. 8
  21. 35
  22. 21
  23. 60
  24. 3
  25. 19
  26. 32
  27. 30
  28. 26
  29. 14
  30. 80
  31. 20
  32. 63
  33. 67
  34. 60
  35. 98
  36. 75
  37. 45
  38. 42
  39. 95
  40. 39

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