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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 934 · 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: 35, 83, 5, 41? (a) 35 (b) 83 (c) 5 (d) 41
  2. 2.Which number is the odd one out: 71, 43, 16, 73? (a) 71 (b) 43 (c) 16 (d) 73
  3. 3.Which number is the odd one out: 59, 17, 28, 23? (a) 59 (b) 17 (c) 28 (d) 23
  4. 4.Which number is the odd one out: 59, 11, 90, 97? (a) 59 (b) 11 (c) 90 (d) 97
  5. 5.Which number is the odd one out: 9, 71, 97, 67? (a) 9 (b) 71 (c) 97 (d) 67
  6. 6.Which number is the odd one out: 2, 17, 61, 38? (a) 2 (b) 17 (c) 61 (d) 38
  7. 7.Which number is the odd one out: 33, 82, 95, 75? (a) 33 (b) 82 (c) 95 (d) 75
  8. 8.Which number is the odd one out: 44, 47, 17, 79? (a) 44 (b) 47 (c) 17 (d) 79
  9. 9.Which number is the odd one out: 66, 96, 64, 78? (a) 66 (b) 96 (c) 64 (d) 78
  10. 10.Which number is the odd one out: 16, 49, 4, 64? (a) 16 (b) 49 (c) 4 (d) 64
  11. 11.Which number is the odd one out: 24, 83, 43, 53? (a) 24 (b) 83 (c) 43 (d) 53
  12. 12.Which number is the odd one out: 20, 10, 88, 8? (a) 20 (b) 10 (c) 88 (d) 8
  13. 13.Which number is the odd one out: 90, 30, 68, 18? (a) 90 (b) 30 (c) 68 (d) 18
  14. 14.Which number is the odd one out: 80, 40, 13, 85? (a) 80 (b) 40 (c) 13 (d) 85
  15. 15.Which number is the odd one out: 61, 23, 73, 32? (a) 61 (b) 23 (c) 73 (d) 32
  16. 16.Which number is the odd one out: 83, 23, 97, 12? (a) 83 (b) 23 (c) 97 (d) 12
  17. 17.Which number is the odd one out: 16, 8, 60, 64? (a) 16 (b) 8 (c) 60 (d) 64
  18. 18.Which number is the odd one out: 63, 56, 15, 45? (a) 63 (b) 56 (c) 15 (d) 45
  19. 19.Which number is the odd one out: 85, 19, 5, 37? (a) 85 (b) 19 (c) 5 (d) 37
  20. 20.Which number is the odd one out: 83, 16, 71, 79? (a) 83 (b) 16 (c) 71 (d) 79
  21. 21.Which number is the odd one out: 53, 83, 17, 87? (a) 53 (b) 83 (c) 17 (d) 87
  22. 22.Which number is the odd one out: 71, 19, 89, 14? (a) 71 (b) 19 (c) 89 (d) 14
  23. 23.Which number is the odd one out: 47, 11, 71, 36? (a) 47 (b) 11 (c) 71 (d) 36
  24. 24.Which number is the odd one out: 96, 38, 24, 48? (a) 96 (b) 38 (c) 24 (d) 48
  25. 25.Which number is the odd one out: 22, 17, 31, 53? (a) 22 (b) 17 (c) 31 (d) 53
  26. 26.Which number is the odd one out: 43, 59, 31, 24? (a) 43 (b) 59 (c) 31 (d) 24
  27. 27.Which number is the odd one out: 59, 13, 33, 17? (a) 59 (b) 13 (c) 33 (d) 17
  28. 28.Which number is the odd one out: 24, 36, 32, 16? (a) 24 (b) 36 (c) 32 (d) 16
  29. 29.Which number is the odd one out: 73, 67, 83, 50? (a) 73 (b) 67 (c) 83 (d) 50
  30. 30.Which number is the odd one out: 59, 56, 11, 47? (a) 59 (b) 56 (c) 11 (d) 47
  31. 31.Which number is the odd one out: 28, 44, 14, 27? (a) 28 (b) 44 (c) 14 (d) 27
  32. 32.Which number is the odd one out: 53, 83, 5, 70? (a) 53 (b) 83 (c) 5 (d) 70
  33. 33.Which number is the odd one out: 75, 73, 53, 13? (a) 75 (b) 73 (c) 53 (d) 13
  34. 34.Which number is the odd one out: 17, 53, 72, 13? (a) 17 (b) 53 (c) 72 (d) 13
  35. 35.Which number is the odd one out: 79, 90, 51, 31? (a) 79 (b) 90 (c) 51 (d) 31
  36. 36.Which number is the odd one out: 79, 41, 60, 95? (a) 79 (b) 41 (c) 60 (d) 95
  37. 37.Which number is the odd one out: 17, 30, 83, 89? (a) 17 (b) 30 (c) 83 (d) 89
  38. 38.Which number is the odd one out: 24, 32, 40, 30? (a) 24 (b) 32 (c) 40 (d) 30
  39. 39.Which number is the odd one out: 55, 65, 85, 14? (a) 55 (b) 65 (c) 85 (d) 14
  40. 40.Which number is the odd one out: 79, 23, 83, 8? (a) 79 (b) 23 (c) 83 (d) 8

Answer key

  1. 35
  2. 16
  3. 28
  4. 90
  5. 9
  6. 38
  7. 82
  8. 44
  9. 64
  10. 49
  11. 24
  12. 10
  13. 68
  14. 13
  15. 32
  16. 12
  17. 60
  18. 56
  19. 85
  20. 16
  21. 87
  22. 14
  23. 36
  24. 38
  25. 22
  26. 24
  27. 33
  28. 36
  29. 50
  30. 56
  31. 27
  32. 70
  33. 75
  34. 72
  35. 90
  36. 60
  37. 30
  38. 30
  39. 14
  40. 8

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