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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 341 · 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: 29, 59, 4, 53? (a) 29 (b) 59 (c) 4 (d) 53
  2. 2.Which number is the odd one out: 3, 61, 97, 24? (a) 3 (b) 61 (c) 97 (d) 24
  3. 3.Which number is the odd one out: 13, 19, 55, 67? (a) 13 (b) 19 (c) 55 (d) 67
  4. 4.Which number is the odd one out: 11, 89, 43, 44? (a) 11 (b) 89 (c) 43 (d) 44
  5. 5.Which number is the odd one out: 73, 28, 83, 41? (a) 73 (b) 28 (c) 83 (d) 41
  6. 6.Which number is the odd one out: 13, 68, 17, 19? (a) 13 (b) 68 (c) 17 (d) 19
  7. 7.Which number is the odd one out: 31, 82, 41, 53? (a) 31 (b) 82 (c) 41 (d) 53
  8. 8.Which number is the odd one out: 15, 17, 41, 43? (a) 15 (b) 17 (c) 41 (d) 43
  9. 9.Which number is the odd one out: 79, 17, 80, 11? (a) 79 (b) 17 (c) 80 (d) 11
  10. 10.Which number is the odd one out: 53, 72, 19, 99? (a) 53 (b) 72 (c) 19 (d) 99
  11. 11.Which number is the odd one out: 2, 70, 43, 31? (a) 2 (b) 70 (c) 43 (d) 31
  12. 12.Which number is the odd one out: 48, 32, 25, 12? (a) 48 (b) 32 (c) 25 (d) 12
  13. 13.Which number is the odd one out: 59, 77, 43, 17? (a) 59 (b) 77 (c) 43 (d) 17
  14. 14.Which number is the odd one out: 29, 58, 37, 59? (a) 29 (b) 58 (c) 37 (d) 59
  15. 15.Which number is the odd one out: 98, 79, 59, 61? (a) 98 (b) 79 (c) 59 (d) 61
  16. 16.Which number is the odd one out: 37, 13, 43, 46? (a) 37 (b) 13 (c) 43 (d) 46
  17. 17.Which number is the odd one out: 82, 17, 97, 37? (a) 82 (b) 17 (c) 97 (d) 37
  18. 18.Which number is the odd one out: 95, 85, 61, 55? (a) 95 (b) 85 (c) 61 (d) 55
  19. 19.Which number is the odd one out: 57, 38, 69, 39? (a) 57 (b) 38 (c) 69 (d) 39
  20. 20.Which number is the odd one out: 93, 50, 20, 76? (a) 93 (b) 50 (c) 20 (d) 76
  21. 21.Which number is the odd one out: 61, 59, 91, 89? (a) 61 (b) 59 (c) 91 (d) 89
  22. 22.Which number is the odd one out: 19, 22, 23, 2? (a) 19 (b) 22 (c) 23 (d) 2
  23. 23.Which number is the odd one out: 47, 37, 89, 78? (a) 47 (b) 37 (c) 89 (d) 78
  24. 24.Which number is the odd one out: 6, 3, 78, 13? (a) 6 (b) 3 (c) 78 (d) 13
  25. 25.Which number is the odd one out: 23, 15, 61, 73? (a) 23 (b) 15 (c) 61 (d) 73
  26. 26.Which number is the odd one out: 60, 17, 43, 71? (a) 60 (b) 17 (c) 43 (d) 71
  27. 27.Which number is the odd one out: 8, 12, 48, 41? (a) 8 (b) 12 (c) 48 (d) 41
  28. 28.Which number is the odd one out: 63, 97, 73, 31? (a) 63 (b) 97 (c) 73 (d) 31
  29. 29.Which number is the odd one out: 97, 17, 19, 44? (a) 97 (b) 17 (c) 19 (d) 44
  30. 30.Which number is the odd one out: 31, 67, 11, 98? (a) 31 (b) 67 (c) 11 (d) 98
  31. 31.Which number is the odd one out: 2, 64, 11, 53? (a) 2 (b) 64 (c) 11 (d) 53
  32. 32.Which number is the odd one out: 87, 33, 40, 75? (a) 87 (b) 33 (c) 40 (d) 75
  33. 33.Which number is the odd one out: 17, 29, 2, 8? (a) 17 (b) 29 (c) 2 (d) 8
  34. 34.Which number is the odd one out: 61, 79, 59, 85? (a) 61 (b) 79 (c) 59 (d) 85
  35. 35.Which number is the odd one out: 96, 48, 88, 71? (a) 96 (b) 48 (c) 88 (d) 71
  36. 36.Which number is the odd one out: 90, 31, 79, 43? (a) 90 (b) 31 (c) 79 (d) 43
  37. 37.Which number is the odd one out: 29, 61, 89, 16? (a) 29 (b) 61 (c) 89 (d) 16
  38. 38.Which number is the odd one out: 42, 19, 31, 61? (a) 42 (b) 19 (c) 31 (d) 61
  39. 39.Which number is the odd one out: 80, 96, 24, 5? (a) 80 (b) 96 (c) 24 (d) 5
  40. 40.Which number is the odd one out: 17, 65, 37, 61? (a) 17 (b) 65 (c) 37 (d) 61

Answer key

  1. 4
  2. 24
  3. 55
  4. 44
  5. 28
  6. 68
  7. 82
  8. 15
  9. 80
  10. 72
  11. 70
  12. 25
  13. 77
  14. 58
  15. 98
  16. 46
  17. 82
  18. 61
  19. 38
  20. 93
  21. 91
  22. 22
  23. 78
  24. 13
  25. 15
  26. 60
  27. 41
  28. 63
  29. 44
  30. 98
  31. 64
  32. 40
  33. 8
  34. 85
  35. 71
  36. 90
  37. 16
  38. 42
  39. 5
  40. 65

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