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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 55 · 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: 73, 38, 37, 83? (a) 73 (b) 38 (c) 37 (d) 83
  2. 2.Which number is the odd one out: 62, 2, 73, 47? (a) 62 (b) 2 (c) 73 (d) 47
  3. 3.Which number is the odd one out: 83, 33, 3, 47? (a) 83 (b) 33 (c) 3 (d) 47
  4. 4.Which number is the odd one out: 45, 54, 37, 90? (a) 45 (b) 54 (c) 37 (d) 90
  5. 5.Which number is the odd one out: 11, 59, 71, 56? (a) 11 (b) 59 (c) 71 (d) 56
  6. 6.Which number is the odd one out: 13, 29, 8, 97? (a) 13 (b) 29 (c) 8 (d) 97
  7. 7.Which number is the odd one out: 17, 47, 50, 2? (a) 17 (b) 47 (c) 50 (d) 2
  8. 8.Which number is the odd one out: 33, 22, 15, 75? (a) 33 (b) 22 (c) 15 (d) 75
  9. 9.Which number is the odd one out: 42, 12, 3, 84? (a) 42 (b) 12 (c) 3 (d) 84
  10. 10.Which number is the odd one out: 3, 41, 36, 53? (a) 3 (b) 41 (c) 36 (d) 53
  11. 11.Which number is the odd one out: 24, 61, 41, 43? (a) 24 (b) 61 (c) 41 (d) 43
  12. 12.Which number is the odd one out: 23, 47, 83, 26? (a) 23 (b) 47 (c) 83 (d) 26
  13. 13.Which number is the odd one out: 54, 24, 88, 32? (a) 54 (b) 24 (c) 88 (d) 32
  14. 14.Which number is the odd one out: 29, 9, 59, 67? (a) 29 (b) 9 (c) 59 (d) 67
  15. 15.Which number is the odd one out: 66, 87, 54, 18? (a) 66 (b) 87 (c) 54 (d) 18
  16. 16.Which number is the odd one out: 88, 38, 4, 64? (a) 88 (b) 38 (c) 4 (d) 64
  17. 17.Which number is the odd one out: 15, 10, 18, 65? (a) 15 (b) 10 (c) 18 (d) 65
  18. 18.Which number is the odd one out: 89, 30, 47, 31? (a) 89 (b) 30 (c) 47 (d) 31
  19. 19.Which number is the odd one out: 67, 4, 53, 43? (a) 67 (b) 4 (c) 53 (d) 43
  20. 20.Which number is the odd one out: 32, 64, 16, 61? (a) 32 (b) 64 (c) 16 (d) 61
  21. 21.Which number is the odd one out: 61, 83, 6, 3? (a) 61 (b) 83 (c) 6 (d) 3
  22. 22.Which number is the odd one out: 19, 71, 42, 39? (a) 19 (b) 71 (c) 42 (d) 39
  23. 23.Which number is the odd one out: 67, 19, 20, 41? (a) 67 (b) 19 (c) 20 (d) 41
  24. 24.Which number is the odd one out: 48, 32, 96, 59? (a) 48 (b) 32 (c) 96 (d) 59
  25. 25.Which number is the odd one out: 84, 21, 60, 5? (a) 84 (b) 21 (c) 60 (d) 5
  26. 26.Which number is the odd one out: 17, 53, 64, 11? (a) 17 (b) 53 (c) 64 (d) 11
  27. 27.Which number is the odd one out: 79, 19, 13, 75? (a) 79 (b) 19 (c) 13 (d) 75
  28. 28.Which number is the odd one out: 60, 12, 78, 25? (a) 60 (b) 12 (c) 78 (d) 25
  29. 29.Which number is the odd one out: 64, 26, 16, 4? (a) 64 (b) 26 (c) 16 (d) 4
  30. 30.Which number is the odd one out: 67, 84, 87, 71? (a) 67 (b) 84 (c) 87 (d) 71
  31. 31.Which number is the odd one out: 19, 99, 53, 23? (a) 19 (b) 99 (c) 53 (d) 23
  32. 32.Which number is the odd one out: 24, 8, 60, 80? (a) 24 (b) 8 (c) 60 (d) 80
  33. 33.Which number is the odd one out: 21, 77, 93, 91? (a) 21 (b) 77 (c) 93 (d) 91
  34. 34.Which number is the odd one out: 8, 11, 71, 67? (a) 8 (b) 11 (c) 71 (d) 67
  35. 35.Which number is the odd one out: 36, 71, 29, 19? (a) 36 (b) 71 (c) 29 (d) 19
  36. 36.Which number is the odd one out: 94, 2, 89, 19? (a) 94 (b) 2 (c) 89 (d) 19
  37. 37.Which number is the odd one out: 17, 42, 13, 23? (a) 17 (b) 42 (c) 13 (d) 23
  38. 38.Which number is the odd one out: 29, 96, 89, 13? (a) 29 (b) 96 (c) 89 (d) 13
  39. 39.Which number is the odd one out: 54, 59, 13, 97? (a) 54 (b) 59 (c) 13 (d) 97
  40. 40.Which number is the odd one out: 43, 71, 23, 30? (a) 43 (b) 71 (c) 23 (d) 30

Answer key

  1. 38
  2. 62
  3. 33
  4. 37
  5. 56
  6. 8
  7. 50
  8. 22
  9. 3
  10. 36
  11. 24
  12. 26
  13. 54
  14. 9
  15. 87
  16. 38
  17. 18
  18. 30
  19. 4
  20. 61
  21. 6
  22. 42
  23. 20
  24. 59
  25. 5
  26. 64
  27. 75
  28. 25
  29. 26
  30. 84
  31. 99
  32. 60
  33. 93
  34. 8
  35. 36
  36. 94
  37. 42
  38. 96
  39. 54
  40. 30

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