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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 881 · 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, 41, 53, 38? (a) 73 (b) 41 (c) 53 (d) 38
  2. 2.Which number is the odd one out: 4, 61, 97, 37? (a) 4 (b) 61 (c) 97 (d) 37
  3. 3.Which number is the odd one out: 99, 9, 81, 60? (a) 99 (b) 9 (c) 81 (d) 60
  4. 4.Which number is the odd one out: 41, 81, 17, 67? (a) 41 (b) 81 (c) 17 (d) 67
  5. 5.Which number is the odd one out: 26, 89, 61, 41? (a) 26 (b) 89 (c) 61 (d) 41
  6. 6.Which number is the odd one out: 53, 97, 89, 63? (a) 53 (b) 97 (c) 89 (d) 63
  7. 7.Which number is the odd one out: 15, 64, 32, 16? (a) 15 (b) 64 (c) 32 (d) 16
  8. 8.Which number is the odd one out: 83, 99, 17, 11? (a) 83 (b) 99 (c) 17 (d) 11
  9. 9.Which number is the odd one out: 73, 83, 2, 80? (a) 73 (b) 83 (c) 2 (d) 80
  10. 10.Which number is the odd one out: 2, 60, 47, 19? (a) 2 (b) 60 (c) 47 (d) 19
  11. 11.Which number is the odd one out: 29, 39, 47, 78? (a) 29 (b) 39 (c) 47 (d) 78
  12. 12.Which number is the odd one out: 77, 17, 67, 29? (a) 77 (b) 17 (c) 67 (d) 29
  13. 13.Which number is the odd one out: 80, 43, 61, 41? (a) 80 (b) 43 (c) 61 (d) 41
  14. 14.Which number is the odd one out: 37, 58, 11, 13? (a) 37 (b) 58 (c) 11 (d) 13
  15. 15.Which number is the odd one out: 6, 61, 97, 83? (a) 6 (b) 61 (c) 97 (d) 83
  16. 16.Which number is the odd one out: 79, 87, 12, 37? (a) 79 (b) 87 (c) 12 (d) 37
  17. 17.Which number is the odd one out: 75, 89, 31, 5? (a) 75 (b) 89 (c) 31 (d) 5
  18. 18.Which number is the odd one out: 2, 40, 83, 73? (a) 2 (b) 40 (c) 83 (d) 73
  19. 19.Which number is the odd one out: 13, 31, 73, 6? (a) 13 (b) 31 (c) 73 (d) 6
  20. 20.Which number is the odd one out: 37, 83, 73, 26? (a) 37 (b) 83 (c) 73 (d) 26
  21. 21.Which number is the odd one out: 6, 23, 11, 43? (a) 6 (b) 23 (c) 11 (d) 43
  22. 22.Which number is the odd one out: 89, 9, 19, 97? (a) 89 (b) 9 (c) 19 (d) 97
  23. 23.Which number is the odd one out: 51, 34, 39, 69? (a) 51 (b) 34 (c) 39 (d) 69
  24. 24.Which number is the odd one out: 79, 37, 54, 2? (a) 79 (b) 37 (c) 54 (d) 2
  25. 25.Which number is the odd one out: 89, 11, 9, 67? (a) 89 (b) 11 (c) 9 (d) 67
  26. 26.Which number is the odd one out: 80, 88, 40, 29? (a) 80 (b) 88 (c) 40 (d) 29
  27. 27.Which number is the odd one out: 65, 80, 71, 40? (a) 65 (b) 80 (c) 71 (d) 40
  28. 28.Which number is the odd one out: 19, 51, 3, 23? (a) 19 (b) 51 (c) 3 (d) 23
  29. 29.Which number is the odd one out: 34, 48, 66, 96? (a) 34 (b) 48 (c) 66 (d) 96
  30. 30.Which number is the odd one out: 89, 97, 83, 74? (a) 89 (b) 97 (c) 83 (d) 74
  31. 31.Which number is the odd one out: 30, 79, 3, 59? (a) 30 (b) 79 (c) 3 (d) 59
  32. 32.Which number is the odd one out: 31, 29, 20, 73? (a) 31 (b) 29 (c) 20 (d) 73
  33. 33.Which number is the odd one out: 13, 29, 37, 96? (a) 13 (b) 29 (c) 37 (d) 96
  34. 34.Which number is the odd one out: 41, 89, 18, 83? (a) 41 (b) 89 (c) 18 (d) 83
  35. 35.Which number is the odd one out: 43, 97, 37, 76? (a) 43 (b) 97 (c) 37 (d) 76
  36. 36.Which number is the odd one out: 46, 11, 43, 67? (a) 46 (b) 11 (c) 43 (d) 67
  37. 37.Which number is the odd one out: 17, 92, 23, 13? (a) 17 (b) 92 (c) 23 (d) 13
  38. 38.Which number is the odd one out: 9, 81, 55, 93? (a) 9 (b) 81 (c) 55 (d) 93
  39. 39.Which number is the odd one out: 71, 22, 2, 74? (a) 71 (b) 22 (c) 2 (d) 74
  40. 40.Which number is the odd one out: 46, 53, 47, 31? (a) 46 (b) 53 (c) 47 (d) 31

Answer key

  1. 38
  2. 4
  3. 60
  4. 81
  5. 26
  6. 63
  7. 15
  8. 99
  9. 80
  10. 60
  11. 78
  12. 77
  13. 80
  14. 58
  15. 6
  16. 12
  17. 75
  18. 40
  19. 6
  20. 26
  21. 6
  22. 9
  23. 34
  24. 54
  25. 9
  26. 29
  27. 71
  28. 51
  29. 34
  30. 74
  31. 30
  32. 20
  33. 96
  34. 18
  35. 76
  36. 46
  37. 92
  38. 55
  39. 71
  40. 46

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