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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 738 · 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, 48, 47, 2? (a) 73 (b) 48 (c) 47 (d) 2
  2. 2.Which number is the odd one out: 3, 23, 12, 41? (a) 3 (b) 23 (c) 12 (d) 41
  3. 3.Which number is the odd one out: 43, 22, 53, 13? (a) 43 (b) 22 (c) 53 (d) 13
  4. 4.Which number is the odd one out: 24, 12, 45, 48? (a) 24 (b) 12 (c) 45 (d) 48
  5. 5.Which number is the odd one out: 19, 11, 86, 13? (a) 19 (b) 11 (c) 86 (d) 13
  6. 6.Which number is the odd one out: 7, 84, 93, 31? (a) 7 (b) 84 (c) 93 (d) 31
  7. 7.Which number is the odd one out: 48, 43, 3, 97? (a) 48 (b) 43 (c) 3 (d) 97
  8. 8.Which number is the odd one out: 41, 61, 46, 59? (a) 41 (b) 61 (c) 46 (d) 59
  9. 9.Which number is the odd one out: 6, 23, 43, 71? (a) 6 (b) 23 (c) 43 (d) 71
  10. 10.Which number is the odd one out: 41, 56, 17, 79? (a) 41 (b) 56 (c) 17 (d) 79
  11. 11.Which number is the odd one out: 47, 31, 20, 83? (a) 47 (b) 31 (c) 20 (d) 83
  12. 12.Which number is the odd one out: 95, 66, 18, 90? (a) 95 (b) 66 (c) 18 (d) 90
  13. 13.Which number is the odd one out: 20, 83, 13, 23? (a) 20 (b) 83 (c) 13 (d) 23
  14. 14.Which number is the odd one out: 67, 37, 77, 97? (a) 67 (b) 37 (c) 77 (d) 97
  15. 15.Which number is the odd one out: 7, 61, 29, 42? (a) 7 (b) 61 (c) 29 (d) 42
  16. 16.Which number is the odd one out: 62, 37, 83, 2? (a) 62 (b) 37 (c) 83 (d) 2
  17. 17.Which number is the odd one out: 16, 4, 37, 64? (a) 16 (b) 4 (c) 37 (d) 64
  18. 18.Which number is the odd one out: 29, 96, 60, 80? (a) 29 (b) 96 (c) 60 (d) 80
  19. 19.Which number is the odd one out: 60, 29, 11, 17? (a) 60 (b) 29 (c) 11 (d) 17
  20. 20.Which number is the odd one out: 95, 97, 31, 67? (a) 95 (b) 97 (c) 31 (d) 67
  21. 21.Which number is the odd one out: 59, 14, 17, 37? (a) 59 (b) 14 (c) 17 (d) 37
  22. 22.Which number is the odd one out: 6, 43, 47, 89? (a) 6 (b) 43 (c) 47 (d) 89
  23. 23.Which number is the odd one out: 83, 47, 21, 17? (a) 83 (b) 47 (c) 21 (d) 17
  24. 24.Which number is the odd one out: 9, 81, 20, 4? (a) 9 (b) 81 (c) 20 (d) 4
  25. 25.Which number is the odd one out: 53, 47, 43, 55? (a) 53 (b) 47 (c) 43 (d) 55
  26. 26.Which number is the odd one out: 94, 97, 74, 34? (a) 94 (b) 97 (c) 74 (d) 34
  27. 27.Which number is the odd one out: 59, 19, 73, 32? (a) 59 (b) 19 (c) 73 (d) 32
  28. 28.Which number is the odd one out: 72, 54, 89, 48? (a) 72 (b) 54 (c) 89 (d) 48
  29. 29.Which number is the odd one out: 6, 5, 75, 29? (a) 6 (b) 5 (c) 75 (d) 29
  30. 30.Which number is the odd one out: 3, 79, 59, 87? (a) 3 (b) 79 (c) 59 (d) 87
  31. 31.Which number is the odd one out: 48, 12, 79, 88? (a) 48 (b) 12 (c) 79 (d) 88
  32. 32.Which number is the odd one out: 47, 54, 18, 6? (a) 47 (b) 54 (c) 18 (d) 6
  33. 33.Which number is the odd one out: 58, 5, 6, 66? (a) 58 (b) 5 (c) 6 (d) 66
  34. 34.Which number is the odd one out: 53, 16, 43, 83? (a) 53 (b) 16 (c) 43 (d) 83
  35. 35.Which number is the odd one out: 67, 55, 37, 43? (a) 67 (b) 55 (c) 37 (d) 43
  36. 36.Which number is the odd one out: 47, 73, 71, 78? (a) 47 (b) 73 (c) 71 (d) 78
  37. 37.Which number is the odd one out: 24, 55, 96, 6? (a) 24 (b) 55 (c) 96 (d) 6
  38. 38.Which number is the odd one out: 38, 31, 37, 79? (a) 38 (b) 31 (c) 37 (d) 79
  39. 39.Which number is the odd one out: 17, 53, 98, 11? (a) 17 (b) 53 (c) 98 (d) 11
  40. 40.Which number is the odd one out: 26, 34, 74, 13? (a) 26 (b) 34 (c) 74 (d) 13

Answer key

  1. 48
  2. 12
  3. 22
  4. 45
  5. 86
  6. 84
  7. 48
  8. 46
  9. 6
  10. 56
  11. 20
  12. 95
  13. 20
  14. 77
  15. 42
  16. 62
  17. 37
  18. 29
  19. 60
  20. 95
  21. 14
  22. 6
  23. 21
  24. 20
  25. 55
  26. 97
  27. 32
  28. 89
  29. 6
  30. 87
  31. 79
  32. 47
  33. 5
  34. 16
  35. 55
  36. 78
  37. 55
  38. 38
  39. 98
  40. 13

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