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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 578 · 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: 54, 80, 72, 18? (a) 54 (b) 80 (c) 72 (d) 18
  2. 2.Which number is the odd one out: 41, 59, 53, 28? (a) 41 (b) 59 (c) 53 (d) 28
  3. 3.Which number is the odd one out: 2, 53, 11, 42? (a) 2 (b) 53 (c) 11 (d) 42
  4. 4.Which number is the odd one out: 41, 48, 13, 2? (a) 41 (b) 48 (c) 13 (d) 2
  5. 5.Which number is the odd one out: 22, 24, 96, 12? (a) 22 (b) 24 (c) 96 (d) 12
  6. 6.Which number is the odd one out: 32, 8, 92, 83? (a) 32 (b) 8 (c) 92 (d) 83
  7. 7.Which number is the odd one out: 90, 64, 96, 16? (a) 90 (b) 64 (c) 96 (d) 16
  8. 8.Which number is the odd one out: 53, 26, 59, 83? (a) 53 (b) 26 (c) 59 (d) 83
  9. 9.Which number is the odd one out: 29, 31, 56, 67? (a) 29 (b) 31 (c) 56 (d) 67
  10. 10.Which number is the odd one out: 73, 29, 54, 11? (a) 73 (b) 29 (c) 54 (d) 11
  11. 11.Which number is the odd one out: 8, 31, 59, 47? (a) 8 (b) 31 (c) 59 (d) 47
  12. 12.Which number is the odd one out: 13, 88, 83, 17? (a) 13 (b) 88 (c) 83 (d) 17
  13. 13.Which number is the odd one out: 91, 14, 77, 2? (a) 91 (b) 14 (c) 77 (d) 2
  14. 14.Which number is the odd one out: 97, 21, 31, 23? (a) 97 (b) 21 (c) 31 (d) 23
  15. 15.Which number is the odd one out: 81, 80, 64, 9? (a) 81 (b) 80 (c) 64 (d) 9
  16. 16.Which number is the odd one out: 3, 51, 47, 43? (a) 3 (b) 51 (c) 47 (d) 43
  17. 17.Which number is the odd one out: 83, 74, 23, 13? (a) 83 (b) 74 (c) 23 (d) 13
  18. 18.Which number is the odd one out: 17, 85, 79, 73? (a) 17 (b) 85 (c) 79 (d) 73
  19. 19.Which number is the odd one out: 59, 80, 89, 31? (a) 59 (b) 80 (c) 89 (d) 31
  20. 20.Which number is the odd one out: 73, 85, 47, 59? (a) 73 (b) 85 (c) 47 (d) 59
  21. 21.Which number is the odd one out: 30, 78, 6, 15? (a) 30 (b) 78 (c) 6 (d) 15
  22. 22.Which number is the odd one out: 43, 79, 53, 22? (a) 43 (b) 79 (c) 53 (d) 22
  23. 23.Which number is the odd one out: 41, 97, 54, 59? (a) 41 (b) 97 (c) 54 (d) 59
  24. 24.Which number is the odd one out: 71, 58, 37, 47? (a) 71 (b) 58 (c) 37 (d) 47
  25. 25.Which number is the odd one out: 72, 96, 99, 7? (a) 72 (b) 96 (c) 99 (d) 7
  26. 26.Which number is the odd one out: 53, 41, 11, 35? (a) 53 (b) 41 (c) 11 (d) 35
  27. 27.Which number is the odd one out: 93, 71, 13, 17? (a) 93 (b) 71 (c) 13 (d) 17
  28. 28.Which number is the odd one out: 43, 73, 87, 47? (a) 43 (b) 73 (c) 87 (d) 47
  29. 29.Which number is the odd one out: 8, 90, 32, 48? (a) 8 (b) 90 (c) 32 (d) 48
  30. 30.Which number is the odd one out: 8, 52, 42, 32? (a) 8 (b) 52 (c) 42 (d) 32
  31. 31.Which number is the odd one out: 40, 88, 90, 12? (a) 40 (b) 88 (c) 90 (d) 12
  32. 32.Which number is the odd one out: 13, 61, 34, 19? (a) 13 (b) 61 (c) 34 (d) 19
  33. 33.Which number is the odd one out: 13, 71, 59, 63? (a) 13 (b) 71 (c) 59 (d) 63
  34. 34.Which number is the odd one out: 52, 92, 30, 20? (a) 52 (b) 92 (c) 30 (d) 20
  35. 35.Which number is the odd one out: 53, 37, 9, 89? (a) 53 (b) 37 (c) 9 (d) 89
  36. 36.Which number is the odd one out: 71, 79, 60, 37? (a) 71 (b) 79 (c) 60 (d) 37
  37. 37.Which number is the odd one out: 11, 61, 22, 19? (a) 11 (b) 61 (c) 22 (d) 19
  38. 38.Which number is the odd one out: 83, 72, 53, 73? (a) 83 (b) 72 (c) 53 (d) 73
  39. 39.Which number is the odd one out: 84, 8, 32, 48? (a) 84 (b) 8 (c) 32 (d) 48
  40. 40.Which number is the odd one out: 60, 11, 79, 23? (a) 60 (b) 11 (c) 79 (d) 23

Answer key

  1. 80
  2. 28
  3. 42
  4. 48
  5. 22
  6. 83
  7. 90
  8. 26
  9. 56
  10. 54
  11. 8
  12. 88
  13. 2
  14. 21
  15. 80
  16. 51
  17. 74
  18. 85
  19. 80
  20. 85
  21. 15
  22. 22
  23. 54
  24. 58
  25. 7
  26. 35
  27. 93
  28. 87
  29. 90
  30. 42
  31. 90
  32. 34
  33. 63
  34. 30
  35. 9
  36. 60
  37. 22
  38. 72
  39. 84
  40. 60

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