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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 445 · 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: 3, 72, 53, 19? (a) 3 (b) 72 (c) 53 (d) 19
  2. 2.Which number is the odd one out: 83, 4, 64, 16? (a) 83 (b) 4 (c) 64 (d) 16
  3. 3.Which number is the odd one out: 71, 16, 11, 53? (a) 71 (b) 16 (c) 11 (d) 53
  4. 4.Which number is the odd one out: 83, 59, 17, 14? (a) 83 (b) 59 (c) 17 (d) 14
  5. 5.Which number is the odd one out: 31, 71, 73, 6? (a) 31 (b) 71 (c) 73 (d) 6
  6. 6.Which number is the odd one out: 7, 65, 15, 75? (a) 7 (b) 65 (c) 15 (d) 75
  7. 7.Which number is the odd one out: 10, 53, 89, 11? (a) 10 (b) 53 (c) 89 (d) 11
  8. 8.Which number is the odd one out: 19, 48, 13, 47? (a) 19 (b) 48 (c) 13 (d) 47
  9. 9.Which number is the odd one out: 47, 53, 73, 44? (a) 47 (b) 53 (c) 73 (d) 44
  10. 10.Which number is the odd one out: 97, 47, 66, 53? (a) 97 (b) 47 (c) 66 (d) 53
  11. 11.Which number is the odd one out: 96, 73, 13, 37? (a) 96 (b) 73 (c) 13 (d) 37
  12. 12.Which number is the odd one out: 71, 24, 2, 83? (a) 71 (b) 24 (c) 2 (d) 83
  13. 13.Which number is the odd one out: 56, 47, 37, 17? (a) 56 (b) 47 (c) 37 (d) 17
  14. 14.Which number is the odd one out: 27, 63, 70, 69? (a) 27 (b) 63 (c) 70 (d) 69
  15. 15.Which number is the odd one out: 11, 59, 73, 16? (a) 11 (b) 59 (c) 73 (d) 16
  16. 16.Which number is the odd one out: 53, 73, 79, 28? (a) 53 (b) 73 (c) 79 (d) 28
  17. 17.Which number is the odd one out: 2, 97, 62, 17? (a) 2 (b) 97 (c) 62 (d) 17
  18. 18.Which number is the odd one out: 17, 5, 10, 50? (a) 17 (b) 5 (c) 10 (d) 50
  19. 19.Which number is the odd one out: 55, 24, 48, 88? (a) 55 (b) 24 (c) 48 (d) 88
  20. 20.Which number is the odd one out: 28, 56, 8, 88? (a) 28 (b) 56 (c) 8 (d) 88
  21. 21.Which number is the odd one out: 67, 10, 83, 37? (a) 67 (b) 10 (c) 83 (d) 37
  22. 22.Which number is the odd one out: 83, 73, 59, 40? (a) 83 (b) 73 (c) 59 (d) 40
  23. 23.Which number is the odd one out: 83, 61, 29, 95? (a) 83 (b) 61 (c) 29 (d) 95
  24. 24.Which number is the odd one out: 79, 89, 88, 43? (a) 79 (b) 89 (c) 88 (d) 43
  25. 25.Which number is the odd one out: 63, 53, 37, 59? (a) 63 (b) 53 (c) 37 (d) 59
  26. 26.Which number is the odd one out: 3, 83, 84, 7? (a) 3 (b) 83 (c) 84 (d) 7
  27. 27.Which number is the odd one out: 14, 19, 11, 37? (a) 14 (b) 19 (c) 11 (d) 37
  28. 28.Which number is the odd one out: 8, 45, 32, 86? (a) 8 (b) 45 (c) 32 (d) 86
  29. 29.Which number is the odd one out: 44, 32, 30, 24? (a) 44 (b) 32 (c) 30 (d) 24
  30. 30.Which number is the odd one out: 28, 85, 13, 5? (a) 28 (b) 85 (c) 13 (d) 5
  31. 31.Which number is the odd one out: 54, 92, 90, 60? (a) 54 (b) 92 (c) 90 (d) 60
  32. 32.Which number is the odd one out: 29, 89, 45, 11? (a) 29 (b) 89 (c) 45 (d) 11
  33. 33.Which number is the odd one out: 12, 47, 61, 79? (a) 12 (b) 47 (c) 61 (d) 79
  34. 34.Which number is the odd one out: 85, 18, 54, 45? (a) 85 (b) 18 (c) 54 (d) 45
  35. 35.Which number is the odd one out: 92, 67, 43, 73? (a) 92 (b) 67 (c) 43 (d) 73
  36. 36.Which number is the odd one out: 13, 61, 8, 37? (a) 13 (b) 61 (c) 8 (d) 37
  37. 37.Which number is the odd one out: 67, 41, 37, 76? (a) 67 (b) 41 (c) 37 (d) 76
  38. 38.Which number is the odd one out: 63, 6, 84, 12? (a) 63 (b) 6 (c) 84 (d) 12
  39. 39.Which number is the odd one out: 7, 47, 19, 98? (a) 7 (b) 47 (c) 19 (d) 98
  40. 40.Which number is the odd one out: 93, 12, 89, 19? (a) 93 (b) 12 (c) 89 (d) 19

Answer key

  1. 72
  2. 83
  3. 16
  4. 14
  5. 6
  6. 7
  7. 10
  8. 48
  9. 44
  10. 66
  11. 96
  12. 24
  13. 56
  14. 70
  15. 16
  16. 28
  17. 62
  18. 17
  19. 55
  20. 28
  21. 10
  22. 40
  23. 95
  24. 88
  25. 63
  26. 84
  27. 14
  28. 45
  29. 30
  30. 28
  31. 92
  32. 45
  33. 12
  34. 85
  35. 92
  36. 8
  37. 76
  38. 63
  39. 98
  40. 12

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