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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 628 · 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: 13, 53, 6, 37? (a) 13 (b) 53 (c) 6 (d) 37
  2. 2.Which number is the odd one out: 37, 67, 50, 71? (a) 37 (b) 67 (c) 50 (d) 71
  3. 3.Which number is the odd one out: 53, 27, 3, 59? (a) 53 (b) 27 (c) 3 (d) 59
  4. 4.Which number is the odd one out: 30, 71, 53, 89? (a) 30 (b) 71 (c) 53 (d) 89
  5. 5.Which number is the odd one out: 47, 37, 56, 11? (a) 47 (b) 37 (c) 56 (d) 11
  6. 6.Which number is the odd one out: 43, 75, 78, 30? (a) 43 (b) 75 (c) 78 (d) 30
  7. 7.Which number is the odd one out: 10, 5, 43, 97? (a) 10 (b) 5 (c) 43 (d) 97
  8. 8.Which number is the odd one out: 8, 32, 40, 95? (a) 8 (b) 32 (c) 40 (d) 95
  9. 9.Which number is the odd one out: 48, 79, 13, 61? (a) 48 (b) 79 (c) 13 (d) 61
  10. 10.Which number is the odd one out: 48, 24, 78, 3? (a) 48 (b) 24 (c) 78 (d) 3
  11. 11.Which number is the odd one out: 87, 81, 55, 9? (a) 87 (b) 81 (c) 55 (d) 9
  12. 12.Which number is the odd one out: 41, 83, 54, 2? (a) 41 (b) 83 (c) 54 (d) 2
  13. 13.Which number is the odd one out: 55, 59, 47, 17? (a) 55 (b) 59 (c) 47 (d) 17
  14. 14.Which number is the odd one out: 41, 64, 37, 61? (a) 41 (b) 64 (c) 37 (d) 61
  15. 15.Which number is the odd one out: 98, 88, 56, 32? (a) 98 (b) 88 (c) 56 (d) 32
  16. 16.Which number is the odd one out: 27, 31, 83, 19? (a) 27 (b) 31 (c) 83 (d) 19
  17. 17.Which number is the odd one out: 83, 77, 23, 41? (a) 83 (b) 77 (c) 23 (d) 41
  18. 18.Which number is the odd one out: 29, 47, 41, 69? (a) 29 (b) 47 (c) 41 (d) 69
  19. 19.Which number is the odd one out: 75, 90, 54, 99? (a) 75 (b) 90 (c) 54 (d) 99
  20. 20.Which number is the odd one out: 11, 33, 47, 29? (a) 11 (b) 33 (c) 47 (d) 29
  21. 21.Which number is the odd one out: 47, 23, 24, 61? (a) 47 (b) 23 (c) 24 (d) 61
  22. 22.Which number is the odd one out: 47, 59, 78, 2? (a) 47 (b) 59 (c) 78 (d) 2
  23. 23.Which number is the odd one out: 71, 7, 14, 19? (a) 71 (b) 7 (c) 14 (d) 19
  24. 24.Which number is the odd one out: 88, 49, 8, 16? (a) 88 (b) 49 (c) 8 (d) 16
  25. 25.Which number is the odd one out: 24, 96, 48, 4? (a) 24 (b) 96 (c) 48 (d) 4
  26. 26.Which number is the odd one out: 45, 41, 83, 97? (a) 45 (b) 41 (c) 83 (d) 97
  27. 27.Which number is the odd one out: 48, 19, 31, 3? (a) 48 (b) 19 (c) 31 (d) 3
  28. 28.Which number is the odd one out: 17, 88, 53, 41? (a) 17 (b) 88 (c) 53 (d) 41
  29. 29.Which number is the odd one out: 3, 60, 23, 13? (a) 3 (b) 60 (c) 23 (d) 13
  30. 30.Which number is the odd one out: 31, 53, 43, 49? (a) 31 (b) 53 (c) 43 (d) 49
  31. 31.Which number is the odd one out: 47, 45, 17, 67? (a) 47 (b) 45 (c) 17 (d) 67
  32. 32.Which number is the odd one out: 37, 66, 3, 17? (a) 37 (b) 66 (c) 3 (d) 17
  33. 33.Which number is the odd one out: 71, 98, 53, 29? (a) 71 (b) 98 (c) 53 (d) 29
  34. 34.Which number is the odd one out: 9, 49, 81, 35? (a) 9 (b) 49 (c) 81 (d) 35
  35. 35.Which number is the odd one out: 17, 79, 81, 13? (a) 17 (b) 79 (c) 81 (d) 13
  36. 36.Which number is the odd one out: 64, 16, 88, 15? (a) 64 (b) 16 (c) 88 (d) 15
  37. 37.Which number is the odd one out: 41, 23, 43, 65? (a) 41 (b) 23 (c) 43 (d) 65
  38. 38.Which number is the odd one out: 8, 36, 18, 64? (a) 8 (b) 36 (c) 18 (d) 64
  39. 39.Which number is the odd one out: 49, 99, 9, 63? (a) 49 (b) 99 (c) 9 (d) 63
  40. 40.Which number is the odd one out: 41, 60, 39, 31? (a) 41 (b) 60 (c) 39 (d) 31

Answer key

  1. 6
  2. 50
  3. 27
  4. 30
  5. 56
  6. 43
  7. 10
  8. 95
  9. 48
  10. 3
  11. 55
  12. 54
  13. 55
  14. 64
  15. 98
  16. 27
  17. 77
  18. 69
  19. 75
  20. 33
  21. 24
  22. 78
  23. 14
  24. 49
  25. 4
  26. 45
  27. 48
  28. 88
  29. 60
  30. 49
  31. 45
  32. 66
  33. 98
  34. 35
  35. 81
  36. 15
  37. 65
  38. 18
  39. 49
  40. 60

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