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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 372 · 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, 45, 99, 90? (a) 48 (b) 45 (c) 99 (d) 90
  2. 2.Which number is the odd one out: 96, 71, 89, 23? (a) 96 (b) 71 (c) 89 (d) 23
  3. 3.Which number is the odd one out: 38, 73, 71, 59? (a) 38 (b) 73 (c) 71 (d) 59
  4. 4.Which number is the odd one out: 67, 98, 14, 77? (a) 67 (b) 98 (c) 14 (d) 77
  5. 5.Which number is the odd one out: 53, 97, 31, 6? (a) 53 (b) 97 (c) 31 (d) 6
  6. 6.Which number is the odd one out: 35, 59, 47, 41? (a) 35 (b) 59 (c) 47 (d) 41
  7. 7.Which number is the odd one out: 43, 53, 13, 26? (a) 43 (b) 53 (c) 13 (d) 26
  8. 8.Which number is the odd one out: 37, 44, 11, 2? (a) 37 (b) 44 (c) 11 (d) 2
  9. 9.Which number is the odd one out: 35, 43, 19, 71? (a) 35 (b) 43 (c) 19 (d) 71
  10. 10.Which number is the odd one out: 61, 37, 85, 19? (a) 61 (b) 37 (c) 85 (d) 19
  11. 11.Which number is the odd one out: 29, 67, 83, 90? (a) 29 (b) 67 (c) 83 (d) 90
  12. 12.Which number is the odd one out: 45, 53, 13, 5? (a) 45 (b) 53 (c) 13 (d) 5
  13. 13.Which number is the odd one out: 31, 27, 37, 59? (a) 31 (b) 27 (c) 37 (d) 59
  14. 14.Which number is the odd one out: 73, 96, 68, 24? (a) 73 (b) 96 (c) 68 (d) 24
  15. 15.Which number is the odd one out: 39, 41, 20, 3? (a) 39 (b) 41 (c) 20 (d) 3
  16. 16.Which number is the odd one out: 41, 99, 29, 17? (a) 41 (b) 99 (c) 29 (d) 17
  17. 17.Which number is the odd one out: 88, 77, 28, 8? (a) 88 (b) 77 (c) 28 (d) 8
  18. 18.Which number is the odd one out: 37, 73, 60, 23? (a) 37 (b) 73 (c) 60 (d) 23
  19. 19.Which number is the odd one out: 59, 83, 42, 67? (a) 59 (b) 83 (c) 42 (d) 67
  20. 20.Which number is the odd one out: 24, 32, 23, 48? (a) 24 (b) 32 (c) 23 (d) 48
  21. 21.Which number is the odd one out: 16, 88, 64, 14? (a) 16 (b) 88 (c) 64 (d) 14
  22. 22.Which number is the odd one out: 47, 45, 53, 23? (a) 47 (b) 45 (c) 53 (d) 23
  23. 23.Which number is the odd one out: 19, 62, 67, 61? (a) 19 (b) 62 (c) 67 (d) 61
  24. 24.Which number is the odd one out: 67, 43, 65, 19? (a) 67 (b) 43 (c) 65 (d) 19
  25. 25.Which number is the odd one out: 89, 22, 11, 97? (a) 89 (b) 22 (c) 11 (d) 97
  26. 26.Which number is the odd one out: 17, 4, 23, 19? (a) 17 (b) 4 (c) 23 (d) 19
  27. 27.Which number is the odd one out: 58, 97, 43, 2? (a) 58 (b) 97 (c) 43 (d) 2
  28. 28.Which number is the odd one out: 73, 45, 67, 83? (a) 73 (b) 45 (c) 67 (d) 83
  29. 29.Which number is the odd one out: 59, 11, 68, 97? (a) 59 (b) 11 (c) 68 (d) 97
  30. 30.Which number is the odd one out: 89, 46, 41, 47? (a) 89 (b) 46 (c) 41 (d) 47
  31. 31.Which number is the odd one out: 18, 90, 54, 15? (a) 18 (b) 90 (c) 54 (d) 15
  32. 32.Which number is the odd one out: 24, 36, 72, 96? (a) 24 (b) 36 (c) 72 (d) 96
  33. 33.Which number is the odd one out: 37, 17, 27, 61? (a) 37 (b) 17 (c) 27 (d) 61
  34. 34.Which number is the odd one out: 31, 47, 5, 15? (a) 31 (b) 47 (c) 5 (d) 15
  35. 35.Which number is the odd one out: 59, 19, 88, 17? (a) 59 (b) 19 (c) 88 (d) 17
  36. 36.Which number is the odd one out: 59, 51, 71, 29? (a) 59 (b) 51 (c) 71 (d) 29
  37. 37.Which number is the odd one out: 85, 24, 80, 48? (a) 85 (b) 24 (c) 80 (d) 48
  38. 38.Which number is the odd one out: 41, 33, 39, 57? (a) 41 (b) 33 (c) 39 (d) 57
  39. 39.Which number is the odd one out: 59, 76, 47, 23? (a) 59 (b) 76 (c) 47 (d) 23
  40. 40.Which number is the odd one out: 79, 24, 23, 97? (a) 79 (b) 24 (c) 23 (d) 97

Answer key

  1. 48
  2. 96
  3. 38
  4. 67
  5. 6
  6. 35
  7. 26
  8. 44
  9. 35
  10. 85
  11. 90
  12. 45
  13. 27
  14. 73
  15. 20
  16. 99
  17. 77
  18. 60
  19. 42
  20. 23
  21. 14
  22. 45
  23. 62
  24. 65
  25. 22
  26. 4
  27. 58
  28. 45
  29. 68
  30. 46
  31. 15
  32. 36
  33. 27
  34. 15
  35. 88
  36. 51
  37. 85
  38. 41
  39. 76
  40. 24

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