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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 671 · 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: 77, 35, 14, 10? (a) 77 (b) 35 (c) 14 (d) 10
  2. 2.Which number is the odd one out: 30, 96, 80, 32? (a) 30 (b) 96 (c) 80 (d) 32
  3. 3.Which number is the odd one out: 29, 26, 76, 92? (a) 29 (b) 26 (c) 76 (d) 92
  4. 4.Which number is the odd one out: 43, 89, 53, 33? (a) 43 (b) 89 (c) 53 (d) 33
  5. 5.Which number is the odd one out: 30, 93, 83, 29? (a) 30 (b) 93 (c) 83 (d) 29
  6. 6.Which number is the odd one out: 4, 30, 60, 6? (a) 4 (b) 30 (c) 60 (d) 6
  7. 7.Which number is the odd one out: 19, 41, 77, 31? (a) 19 (b) 41 (c) 77 (d) 31
  8. 8.Which number is the odd one out: 34, 9, 26, 22? (a) 34 (b) 9 (c) 26 (d) 22
  9. 9.Which number is the odd one out: 97, 67, 15, 11? (a) 97 (b) 67 (c) 15 (d) 11
  10. 10.Which number is the odd one out: 7, 14, 2, 91? (a) 7 (b) 14 (c) 2 (d) 91
  11. 11.Which number is the odd one out: 90, 60, 27, 99? (a) 90 (b) 60 (c) 27 (d) 99
  12. 12.Which number is the odd one out: 97, 67, 20, 59? (a) 97 (b) 67 (c) 20 (d) 59
  13. 13.Which number is the odd one out: 63, 13, 79, 17? (a) 63 (b) 13 (c) 79 (d) 17
  14. 14.Which number is the odd one out: 97, 22, 2, 83? (a) 97 (b) 22 (c) 2 (d) 83
  15. 15.Which number is the odd one out: 98, 23, 83, 11? (a) 98 (b) 23 (c) 83 (d) 11
  16. 16.Which number is the odd one out: 79, 73, 26, 23? (a) 79 (b) 73 (c) 26 (d) 23
  17. 17.Which number is the odd one out: 83, 50, 11, 47? (a) 83 (b) 50 (c) 11 (d) 47
  18. 18.Which number is the odd one out: 27, 83, 31, 17? (a) 27 (b) 83 (c) 31 (d) 17
  19. 19.Which number is the odd one out: 43, 31, 34, 59? (a) 43 (b) 31 (c) 34 (d) 59
  20. 20.Which number is the odd one out: 5, 65, 2, 55? (a) 5 (b) 65 (c) 2 (d) 55
  21. 21.Which number is the odd one out: 18, 96, 72, 14? (a) 18 (b) 96 (c) 72 (d) 14
  22. 22.Which number is the odd one out: 73, 58, 89, 37? (a) 73 (b) 58 (c) 89 (d) 37
  23. 23.Which number is the odd one out: 29, 24, 96, 8? (a) 29 (b) 24 (c) 96 (d) 8
  24. 24.Which number is the odd one out: 58, 47, 22, 86? (a) 58 (b) 47 (c) 22 (d) 86
  25. 25.Which number is the odd one out: 17, 61, 86, 31? (a) 17 (b) 61 (c) 86 (d) 31
  26. 26.Which number is the odd one out: 83, 60, 47, 19? (a) 83 (b) 60 (c) 47 (d) 19
  27. 27.Which number is the odd one out: 68, 21, 76, 28? (a) 68 (b) 21 (c) 76 (d) 28
  28. 28.Which number is the odd one out: 71, 4, 16, 64? (a) 71 (b) 4 (c) 16 (d) 64
  29. 29.Which number is the odd one out: 19, 37, 85, 41? (a) 19 (b) 37 (c) 85 (d) 41
  30. 30.Which number is the odd one out: 89, 36, 43, 97? (a) 89 (b) 36 (c) 43 (d) 97
  31. 31.Which number is the odd one out: 59, 98, 83, 61? (a) 59 (b) 98 (c) 83 (d) 61
  32. 32.Which number is the odd one out: 23, 37, 13, 52? (a) 23 (b) 37 (c) 13 (d) 52
  33. 33.Which number is the odd one out: 53, 13, 59, 25? (a) 53 (b) 13 (c) 59 (d) 25
  34. 34.Which number is the odd one out: 79, 3, 81, 13? (a) 79 (b) 3 (c) 81 (d) 13
  35. 35.Which number is the odd one out: 27, 89, 19, 23? (a) 27 (b) 89 (c) 19 (d) 23
  36. 36.Which number is the odd one out: 71, 62, 23, 11? (a) 71 (b) 62 (c) 23 (d) 11
  37. 37.Which number is the odd one out: 19, 56, 37, 97? (a) 19 (b) 56 (c) 37 (d) 97
  38. 38.Which number is the odd one out: 27, 61, 89, 23? (a) 27 (b) 61 (c) 89 (d) 23
  39. 39.Which number is the odd one out: 19, 79, 67, 8? (a) 19 (b) 79 (c) 67 (d) 8
  40. 40.Which number is the odd one out: 37, 49, 13, 83? (a) 37 (b) 49 (c) 13 (d) 83

Answer key

  1. 10
  2. 30
  3. 29
  4. 33
  5. 30
  6. 4
  7. 77
  8. 9
  9. 15
  10. 2
  11. 60
  12. 20
  13. 63
  14. 22
  15. 98
  16. 26
  17. 50
  18. 27
  19. 34
  20. 2
  21. 14
  22. 58
  23. 29
  24. 47
  25. 86
  26. 60
  27. 21
  28. 71
  29. 85
  30. 36
  31. 98
  32. 52
  33. 25
  34. 81
  35. 27
  36. 62
  37. 56
  38. 27
  39. 8
  40. 49

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