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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 901 · 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: 16, 4, 89, 64? (a) 16 (b) 4 (c) 89 (d) 64
  2. 2.Which number is the odd one out: 5, 50, 37, 53? (a) 5 (b) 50 (c) 37 (d) 53
  3. 3.Which number is the odd one out: 83, 19, 43, 80? (a) 83 (b) 19 (c) 43 (d) 80
  4. 4.Which number is the odd one out: 98, 89, 79, 71? (a) 98 (b) 89 (c) 79 (d) 71
  5. 5.Which number is the odd one out: 18, 54, 8, 6? (a) 18 (b) 54 (c) 8 (d) 6
  6. 6.Which number is the odd one out: 83, 89, 66, 61? (a) 83 (b) 89 (c) 66 (d) 61
  7. 7.Which number is the odd one out: 13, 14, 79, 71? (a) 13 (b) 14 (c) 79 (d) 71
  8. 8.Which number is the odd one out: 27, 79, 59, 41? (a) 27 (b) 79 (c) 59 (d) 41
  9. 9.Which number is the odd one out: 17, 13, 19, 12? (a) 17 (b) 13 (c) 19 (d) 12
  10. 10.Which number is the odd one out: 26, 59, 97, 13? (a) 26 (b) 59 (c) 97 (d) 13
  11. 11.Which number is the odd one out: 29, 19, 61, 85? (a) 29 (b) 19 (c) 61 (d) 85
  12. 12.Which number is the odd one out: 22, 86, 13, 34? (a) 22 (b) 86 (c) 13 (d) 34
  13. 13.Which number is the odd one out: 59, 13, 56, 17? (a) 59 (b) 13 (c) 56 (d) 17
  14. 14.Which number is the odd one out: 31, 67, 3, 75? (a) 31 (b) 67 (c) 3 (d) 75
  15. 15.Which number is the odd one out: 97, 39, 3, 71? (a) 97 (b) 39 (c) 3 (d) 71
  16. 16.Which number is the odd one out: 29, 14, 73, 97? (a) 29 (b) 14 (c) 73 (d) 97
  17. 17.Which number is the odd one out: 15, 37, 13, 31? (a) 15 (b) 37 (c) 13 (d) 31
  18. 18.Which number is the odd one out: 79, 38, 43, 2? (a) 79 (b) 38 (c) 43 (d) 2
  19. 19.Which number is the odd one out: 12, 8, 48, 88? (a) 12 (b) 8 (c) 48 (d) 88
  20. 20.Which number is the odd one out: 11, 41, 29, 12? (a) 11 (b) 41 (c) 29 (d) 12
  21. 21.Which number is the odd one out: 14, 91, 58, 77? (a) 14 (b) 91 (c) 58 (d) 77
  22. 22.Which number is the odd one out: 37, 43, 49, 79? (a) 37 (b) 43 (c) 49 (d) 79
  23. 23.Which number is the odd one out: 49, 14, 4, 91? (a) 49 (b) 14 (c) 4 (d) 91
  24. 24.Which number is the odd one out: 97, 3, 53, 66? (a) 97 (b) 3 (c) 53 (d) 66
  25. 25.Which number is the odd one out: 58, 48, 24, 8? (a) 58 (b) 48 (c) 24 (d) 8
  26. 26.Which number is the odd one out: 53, 52, 19, 67? (a) 53 (b) 52 (c) 19 (d) 67
  27. 27.Which number is the odd one out: 53, 71, 30, 11? (a) 53 (b) 71 (c) 30 (d) 11
  28. 28.Which number is the odd one out: 32, 52, 50, 8? (a) 32 (b) 52 (c) 50 (d) 8
  29. 29.Which number is the odd one out: 13, 88, 71, 23? (a) 13 (b) 88 (c) 71 (d) 23
  30. 30.Which number is the odd one out: 14, 89, 7, 47? (a) 14 (b) 89 (c) 7 (d) 47
  31. 31.Which number is the odd one out: 37, 38, 47, 83? (a) 37 (b) 38 (c) 47 (d) 83
  32. 32.Which number is the odd one out: 13, 79, 90, 83? (a) 13 (b) 79 (c) 90 (d) 83
  33. 33.Which number is the odd one out: 30, 96, 35, 48? (a) 30 (b) 96 (c) 35 (d) 48
  34. 34.Which number is the odd one out: 98, 55, 35, 10? (a) 98 (b) 55 (c) 35 (d) 10
  35. 35.Which number is the odd one out: 46, 2, 83, 59? (a) 46 (b) 2 (c) 83 (d) 59
  36. 36.Which number is the odd one out: 53, 14, 11, 83? (a) 53 (b) 14 (c) 11 (d) 83
  37. 37.Which number is the odd one out: 28, 73, 83, 29? (a) 28 (b) 73 (c) 83 (d) 29
  38. 38.Which number is the odd one out: 79, 76, 83, 71? (a) 79 (b) 76 (c) 83 (d) 71
  39. 39.Which number is the odd one out: 95, 37, 79, 31? (a) 95 (b) 37 (c) 79 (d) 31
  40. 40.Which number is the odd one out: 47, 32, 88, 8? (a) 47 (b) 32 (c) 88 (d) 8

Answer key

  1. 89
  2. 50
  3. 80
  4. 98
  5. 8
  6. 66
  7. 14
  8. 27
  9. 12
  10. 26
  11. 85
  12. 13
  13. 56
  14. 75
  15. 39
  16. 14
  17. 15
  18. 38
  19. 12
  20. 12
  21. 58
  22. 49
  23. 4
  24. 66
  25. 58
  26. 52
  27. 30
  28. 50
  29. 88
  30. 14
  31. 38
  32. 90
  33. 35
  34. 98
  35. 46
  36. 14
  37. 28
  38. 76
  39. 95
  40. 47

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