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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 674 · 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: 48, 36, 16, 32? (a) 48 (b) 36 (c) 16 (d) 32
  2. 2.Which number is the odd one out: 59, 67, 27, 41? (a) 59 (b) 67 (c) 27 (d) 41
  3. 3.Which number is the odd one out: 8, 67, 83, 19? (a) 8 (b) 67 (c) 83 (d) 19
  4. 4.Which number is the odd one out: 88, 24, 48, 25? (a) 88 (b) 24 (c) 48 (d) 25
  5. 5.Which number is the odd one out: 53, 44, 73, 61? (a) 53 (b) 44 (c) 73 (d) 61
  6. 6.Which number is the odd one out: 71, 37, 60, 19? (a) 71 (b) 37 (c) 60 (d) 19
  7. 7.Which number is the odd one out: 29, 73, 50, 37? (a) 29 (b) 73 (c) 50 (d) 37
  8. 8.Which number is the odd one out: 67, 19, 57, 43? (a) 67 (b) 19 (c) 57 (d) 43
  9. 9.Which number is the odd one out: 37, 89, 99, 13? (a) 37 (b) 89 (c) 99 (d) 13
  10. 10.Which number is the odd one out: 3, 71, 17, 12? (a) 3 (b) 71 (c) 17 (d) 12
  11. 11.Which number is the odd one out: 16, 25, 64, 35? (a) 16 (b) 25 (c) 64 (d) 35
  12. 12.Which number is the odd one out: 76, 52, 6, 92? (a) 76 (b) 52 (c) 6 (d) 92
  13. 13.Which number is the odd one out: 13, 4, 67, 37? (a) 13 (b) 4 (c) 67 (d) 37
  14. 14.Which number is the odd one out: 53, 18, 61, 3? (a) 53 (b) 18 (c) 61 (d) 3
  15. 15.Which number is the odd one out: 59, 19, 51, 37? (a) 59 (b) 19 (c) 51 (d) 37
  16. 16.Which number is the odd one out: 32, 95, 48, 12? (a) 32 (b) 95 (c) 48 (d) 12
  17. 17.Which number is the odd one out: 3, 12, 96, 24? (a) 3 (b) 12 (c) 96 (d) 24
  18. 18.Which number is the odd one out: 70, 29, 10, 35? (a) 70 (b) 29 (c) 10 (d) 35
  19. 19.Which number is the odd one out: 24, 8, 31, 96? (a) 24 (b) 8 (c) 31 (d) 96
  20. 20.Which number is the odd one out: 80, 54, 72, 18? (a) 80 (b) 54 (c) 72 (d) 18
  21. 21.Which number is the odd one out: 17, 2, 86, 89? (a) 17 (b) 2 (c) 86 (d) 89
  22. 22.Which number is the odd one out: 41, 13, 70, 19? (a) 41 (b) 13 (c) 70 (d) 19
  23. 23.Which number is the odd one out: 2, 3, 90, 29? (a) 2 (b) 3 (c) 90 (d) 29
  24. 24.Which number is the odd one out: 36, 80, 40, 72? (a) 36 (b) 80 (c) 40 (d) 72
  25. 25.Which number is the odd one out: 29, 97, 11, 40? (a) 29 (b) 97 (c) 11 (d) 40
  26. 26.Which number is the odd one out: 29, 67, 46, 47? (a) 29 (b) 67 (c) 46 (d) 47
  27. 27.Which number is the odd one out: 83, 78, 97, 87? (a) 83 (b) 78 (c) 97 (d) 87
  28. 28.Which number is the odd one out: 82, 59, 61, 17? (a) 82 (b) 59 (c) 61 (d) 17
  29. 29.Which number is the odd one out: 22, 16, 4, 64? (a) 22 (b) 16 (c) 4 (d) 64
  30. 30.Which number is the odd one out: 73, 31, 68, 37? (a) 73 (b) 31 (c) 68 (d) 37
  31. 31.Which number is the odd one out: 66, 79, 2, 97? (a) 66 (b) 79 (c) 2 (d) 97
  32. 32.Which number is the odd one out: 62, 13, 73, 23? (a) 62 (b) 13 (c) 73 (d) 23
  33. 33.Which number is the odd one out: 70, 50, 63, 55? (a) 70 (b) 50 (c) 63 (d) 55
  34. 34.Which number is the odd one out: 29, 48, 24, 96? (a) 29 (b) 48 (c) 24 (d) 96
  35. 35.Which number is the odd one out: 80, 95, 7, 40? (a) 80 (b) 95 (c) 7 (d) 40
  36. 36.Which number is the odd one out: 25, 55, 4, 50? (a) 25 (b) 55 (c) 4 (d) 50
  37. 37.Which number is the odd one out: 31, 19, 67, 91? (a) 31 (b) 19 (c) 67 (d) 91
  38. 38.Which number is the odd one out: 47, 43, 40, 13? (a) 47 (b) 43 (c) 40 (d) 13
  39. 39.Which number is the odd one out: 68, 8, 88, 32? (a) 68 (b) 8 (c) 88 (d) 32
  40. 40.Which number is the odd one out: 99, 12, 60, 90? (a) 99 (b) 12 (c) 60 (d) 90

Answer key

  1. 36
  2. 27
  3. 8
  4. 25
  5. 44
  6. 60
  7. 50
  8. 57
  9. 99
  10. 12
  11. 35
  12. 6
  13. 4
  14. 18
  15. 51
  16. 95
  17. 3
  18. 29
  19. 31
  20. 80
  21. 86
  22. 70
  23. 90
  24. 36
  25. 40
  26. 46
  27. 78
  28. 82
  29. 22
  30. 68
  31. 66
  32. 62
  33. 63
  34. 29
  35. 7
  36. 4
  37. 91
  38. 40
  39. 68
  40. 99

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