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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 683 · 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: 26, 29, 58, 34? (a) 26 (b) 29 (c) 58 (d) 34
  2. 2.Which number is the odd one out: 15, 18, 90, 54? (a) 15 (b) 18 (c) 90 (d) 54
  3. 3.Which number is the odd one out: 66, 31, 11, 53? (a) 66 (b) 31 (c) 11 (d) 53
  4. 4.Which number is the odd one out: 18, 41, 31, 13? (a) 18 (b) 41 (c) 31 (d) 13
  5. 5.Which number is the odd one out: 13, 47, 34, 37? (a) 13 (b) 47 (c) 34 (d) 37
  6. 6.Which number is the odd one out: 17, 87, 59, 54? (a) 17 (b) 87 (c) 59 (d) 54
  7. 7.Which number is the odd one out: 22, 53, 59, 89? (a) 22 (b) 53 (c) 59 (d) 89
  8. 8.Which number is the odd one out: 43, 37, 63, 11? (a) 43 (b) 37 (c) 63 (d) 11
  9. 9.Which number is the odd one out: 5, 79, 70, 23? (a) 5 (b) 79 (c) 70 (d) 23
  10. 10.Which number is the odd one out: 96, 13, 73, 37? (a) 96 (b) 13 (c) 73 (d) 37
  11. 11.Which number is the odd one out: 88, 83, 17, 53? (a) 88 (b) 83 (c) 17 (d) 53
  12. 12.Which number is the odd one out: 5, 95, 17, 38? (a) 5 (b) 95 (c) 17 (d) 38
  13. 13.Which number is the odd one out: 60, 32, 70, 24? (a) 60 (b) 32 (c) 70 (d) 24
  14. 14.Which number is the odd one out: 6, 11, 3, 2? (a) 6 (b) 11 (c) 3 (d) 2
  15. 15.Which number is the odd one out: 48, 14, 77, 91? (a) 48 (b) 14 (c) 77 (d) 91
  16. 16.Which number is the odd one out: 83, 71, 98, 67? (a) 83 (b) 71 (c) 98 (d) 67
  17. 17.Which number is the odd one out: 87, 89, 97, 84? (a) 87 (b) 89 (c) 97 (d) 84
  18. 18.Which number is the odd one out: 16, 90, 36, 64? (a) 16 (b) 90 (c) 36 (d) 64
  19. 19.Which number is the odd one out: 79, 76, 11, 19? (a) 79 (b) 76 (c) 11 (d) 19
  20. 20.Which number is the odd one out: 83, 61, 19, 55? (a) 83 (b) 61 (c) 19 (d) 55
  21. 21.Which number is the odd one out: 17, 72, 89, 2? (a) 17 (b) 72 (c) 89 (d) 2
  22. 22.Which number is the odd one out: 37, 19, 66, 97? (a) 37 (b) 19 (c) 66 (d) 97
  23. 23.Which number is the odd one out: 83, 11, 61, 87? (a) 83 (b) 11 (c) 61 (d) 87
  24. 24.Which number is the odd one out: 59, 32, 11, 29? (a) 59 (b) 32 (c) 11 (d) 29
  25. 25.Which number is the odd one out: 37, 4, 89, 79? (a) 37 (b) 4 (c) 89 (d) 79
  26. 26.Which number is the odd one out: 95, 92, 40, 8? (a) 95 (b) 92 (c) 40 (d) 8
  27. 27.Which number is the odd one out: 17, 59, 12, 3? (a) 17 (b) 59 (c) 12 (d) 3
  28. 28.Which number is the odd one out: 8, 64, 16, 55? (a) 8 (b) 64 (c) 16 (d) 55
  29. 29.Which number is the odd one out: 34, 11, 17, 13? (a) 34 (b) 11 (c) 17 (d) 13
  30. 30.Which number is the odd one out: 38, 47, 29, 71? (a) 38 (b) 47 (c) 29 (d) 71
  31. 31.Which number is the odd one out: 80, 52, 70, 32? (a) 80 (b) 52 (c) 70 (d) 32
  32. 32.Which number is the odd one out: 96, 48, 32, 98? (a) 96 (b) 48 (c) 32 (d) 98
  33. 33.Which number is the odd one out: 16, 59, 73, 47? (a) 16 (b) 59 (c) 73 (d) 47
  34. 34.Which number is the odd one out: 13, 66, 97, 17? (a) 13 (b) 66 (c) 97 (d) 17
  35. 35.Which number is the odd one out: 32, 11, 23, 53? (a) 32 (b) 11 (c) 23 (d) 53
  36. 36.Which number is the odd one out: 10, 50, 14, 49? (a) 10 (b) 50 (c) 14 (d) 49
  37. 37.Which number is the odd one out: 41, 31, 67, 9? (a) 41 (b) 31 (c) 67 (d) 9
  38. 38.Which number is the odd one out: 3, 59, 57, 11? (a) 3 (b) 59 (c) 57 (d) 11
  39. 39.Which number is the odd one out: 67, 87, 53, 43? (a) 67 (b) 87 (c) 53 (d) 43
  40. 40.Which number is the odd one out: 24, 48, 75, 25? (a) 24 (b) 48 (c) 75 (d) 25

Answer key

  1. 29
  2. 15
  3. 66
  4. 18
  5. 34
  6. 54
  7. 22
  8. 63
  9. 70
  10. 96
  11. 88
  12. 38
  13. 70
  14. 6
  15. 48
  16. 98
  17. 84
  18. 90
  19. 76
  20. 55
  21. 72
  22. 66
  23. 87
  24. 32
  25. 4
  26. 95
  27. 12
  28. 55
  29. 34
  30. 38
  31. 70
  32. 98
  33. 16
  34. 66
  35. 32
  36. 49
  37. 9
  38. 57
  39. 87
  40. 25

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