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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 387 · 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: 67, 59, 13, 46? (a) 67 (b) 59 (c) 13 (d) 46
  2. 2.Which number is the odd one out: 55, 11, 67, 29? (a) 55 (b) 11 (c) 67 (d) 29
  3. 3.Which number is the odd one out: 5, 78, 6, 2? (a) 5 (b) 78 (c) 6 (d) 2
  4. 4.Which number is the odd one out: 65, 6, 26, 66? (a) 65 (b) 6 (c) 26 (d) 66
  5. 5.Which number is the odd one out: 34, 37, 2, 13? (a) 34 (b) 37 (c) 2 (d) 13
  6. 6.Which number is the odd one out: 63, 27, 69, 7? (a) 63 (b) 27 (c) 69 (d) 7
  7. 7.Which number is the odd one out: 74, 14, 91, 26? (a) 74 (b) 14 (c) 91 (d) 26
  8. 8.Which number is the odd one out: 47, 7, 84, 11? (a) 47 (b) 7 (c) 84 (d) 11
  9. 9.Which number is the odd one out: 29, 7, 56, 31? (a) 29 (b) 7 (c) 56 (d) 31
  10. 10.Which number is the odd one out: 52, 32, 54, 72? (a) 52 (b) 32 (c) 54 (d) 72
  11. 11.Which number is the odd one out: 3, 37, 30, 53? (a) 3 (b) 37 (c) 30 (d) 53
  12. 12.Which number is the odd one out: 17, 2, 11, 38? (a) 17 (b) 2 (c) 11 (d) 38
  13. 13.Which number is the odd one out: 27, 73, 79, 43? (a) 27 (b) 73 (c) 79 (d) 43
  14. 14.Which number is the odd one out: 97, 73, 67, 64? (a) 97 (b) 73 (c) 67 (d) 64
  15. 15.Which number is the odd one out: 63, 29, 61, 43? (a) 63 (b) 29 (c) 61 (d) 43
  16. 16.Which number is the odd one out: 31, 3, 41, 84? (a) 31 (b) 3 (c) 41 (d) 84
  17. 17.Which number is the odd one out: 15, 84, 20, 65? (a) 15 (b) 84 (c) 20 (d) 65
  18. 18.Which number is the odd one out: 29, 18, 47, 11? (a) 29 (b) 18 (c) 47 (d) 11
  19. 19.Which number is the odd one out: 31, 18, 19, 11? (a) 31 (b) 18 (c) 19 (d) 11
  20. 20.Which number is the odd one out: 95, 72, 60, 65? (a) 95 (b) 72 (c) 60 (d) 65
  21. 21.Which number is the odd one out: 73, 17, 87, 3? (a) 73 (b) 17 (c) 87 (d) 3
  22. 22.Which number is the odd one out: 24, 8, 52, 48? (a) 24 (b) 8 (c) 52 (d) 48
  23. 23.Which number is the odd one out: 73, 79, 3, 21? (a) 73 (b) 79 (c) 3 (d) 21
  24. 24.Which number is the odd one out: 2, 10, 11, 79? (a) 2 (b) 10 (c) 11 (d) 79
  25. 25.Which number is the odd one out: 63, 92, 28, 44? (a) 63 (b) 92 (c) 28 (d) 44
  26. 26.Which number is the odd one out: 11, 20, 37, 19? (a) 11 (b) 20 (c) 37 (d) 19
  27. 27.Which number is the odd one out: 48, 78, 8, 32? (a) 48 (b) 78 (c) 8 (d) 32
  28. 28.Which number is the odd one out: 29, 59, 69, 13? (a) 29 (b) 59 (c) 69 (d) 13
  29. 29.Which number is the odd one out: 21, 11, 31, 19? (a) 21 (b) 11 (c) 31 (d) 19
  30. 30.Which number is the odd one out: 2, 59, 80, 89? (a) 2 (b) 59 (c) 80 (d) 89
  31. 31.Which number is the odd one out: 96, 24, 86, 66? (a) 96 (b) 24 (c) 86 (d) 66
  32. 32.Which number is the odd one out: 12, 13, 43, 11? (a) 12 (b) 13 (c) 43 (d) 11
  33. 33.Which number is the odd one out: 23, 19, 71, 81? (a) 23 (b) 19 (c) 71 (d) 81
  34. 34.Which number is the odd one out: 4, 27, 64, 16? (a) 4 (b) 27 (c) 64 (d) 16
  35. 35.Which number is the odd one out: 9, 81, 99, 28? (a) 9 (b) 81 (c) 99 (d) 28
  36. 36.Which number is the odd one out: 47, 6, 13, 67? (a) 47 (b) 6 (c) 13 (d) 67
  37. 37.Which number is the odd one out: 61, 53, 41, 77? (a) 61 (b) 53 (c) 41 (d) 77
  38. 38.Which number is the odd one out: 2, 11, 29, 90? (a) 2 (b) 11 (c) 29 (d) 90
  39. 39.Which number is the odd one out: 79, 10, 17, 11? (a) 79 (b) 10 (c) 17 (d) 11
  40. 40.Which number is the odd one out: 3, 59, 45, 53? (a) 3 (b) 59 (c) 45 (d) 53

Answer key

  1. 46
  2. 55
  3. 5
  4. 65
  5. 34
  6. 7
  7. 91
  8. 84
  9. 56
  10. 54
  11. 30
  12. 38
  13. 27
  14. 64
  15. 63
  16. 84
  17. 84
  18. 18
  19. 18
  20. 72
  21. 87
  22. 52
  23. 21
  24. 10
  25. 63
  26. 20
  27. 78
  28. 69
  29. 21
  30. 80
  31. 86
  32. 12
  33. 81
  34. 27
  35. 28
  36. 6
  37. 77
  38. 90
  39. 10
  40. 45

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