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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 45 · 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: 6, 11, 79, 47? (a) 6 (b) 11 (c) 79 (d) 47
  2. 2.Which number is the odd one out: 48, 29, 73, 79? (a) 48 (b) 29 (c) 73 (d) 79
  3. 3.Which number is the odd one out: 19, 61, 58, 47? (a) 19 (b) 61 (c) 58 (d) 47
  4. 4.Which number is the odd one out: 53, 31, 14, 73? (a) 53 (b) 31 (c) 14 (d) 73
  5. 5.Which number is the odd one out: 7, 89, 56, 23? (a) 7 (b) 89 (c) 56 (d) 23
  6. 6.Which number is the odd one out: 39, 47, 19, 78? (a) 39 (b) 47 (c) 19 (d) 78
  7. 7.Which number is the odd one out: 77, 97, 29, 71? (a) 77 (b) 97 (c) 29 (d) 71
  8. 8.Which number is the odd one out: 59, 79, 53, 21? (a) 59 (b) 79 (c) 53 (d) 21
  9. 9.Which number is the odd one out: 90, 78, 72, 80? (a) 90 (b) 78 (c) 72 (d) 80
  10. 10.Which number is the odd one out: 29, 42, 67, 89? (a) 29 (b) 42 (c) 67 (d) 89
  11. 11.Which number is the odd one out: 90, 76, 8, 80? (a) 90 (b) 76 (c) 8 (d) 80
  12. 12.Which number is the odd one out: 8, 48, 92, 24? (a) 8 (b) 48 (c) 92 (d) 24
  13. 13.Which number is the odd one out: 17, 13, 23, 57? (a) 17 (b) 13 (c) 23 (d) 57
  14. 14.Which number is the odd one out: 47, 97, 14, 41? (a) 47 (b) 97 (c) 14 (d) 41
  15. 15.Which number is the odd one out: 81, 20, 9, 4? (a) 81 (b) 20 (c) 9 (d) 4
  16. 16.Which number is the odd one out: 17, 19, 8, 13? (a) 17 (b) 19 (c) 8 (d) 13
  17. 17.Which number is the odd one out: 16, 96, 18, 64? (a) 16 (b) 96 (c) 18 (d) 64
  18. 18.Which number is the odd one out: 11, 32, 53, 67? (a) 11 (b) 32 (c) 53 (d) 67
  19. 19.Which number is the odd one out: 17, 79, 11, 24? (a) 17 (b) 79 (c) 11 (d) 24
  20. 20.Which number is the odd one out: 14, 59, 31, 13? (a) 14 (b) 59 (c) 31 (d) 13
  21. 21.Which number is the odd one out: 67, 19, 17, 54? (a) 67 (b) 19 (c) 17 (d) 54
  22. 22.Which number is the odd one out: 31, 97, 6, 47? (a) 31 (b) 97 (c) 6 (d) 47
  23. 23.Which number is the odd one out: 38, 68, 19, 44? (a) 38 (b) 68 (c) 19 (d) 44
  24. 24.Which number is the odd one out: 52, 6, 96, 8? (a) 52 (b) 6 (c) 96 (d) 8
  25. 25.Which number is the odd one out: 64, 90, 72, 16? (a) 64 (b) 90 (c) 72 (d) 16
  26. 26.Which number is the odd one out: 11, 67, 31, 66? (a) 11 (b) 67 (c) 31 (d) 66
  27. 27.Which number is the odd one out: 72, 18, 96, 21? (a) 72 (b) 18 (c) 96 (d) 21
  28. 28.Which number is the odd one out: 97, 19, 98, 79? (a) 97 (b) 19 (c) 98 (d) 79
  29. 29.Which number is the odd one out: 33, 17, 6, 61? (a) 33 (b) 17 (c) 6 (d) 61
  30. 30.Which number is the odd one out: 48, 31, 53, 97? (a) 48 (b) 31 (c) 53 (d) 97
  31. 31.Which number is the odd one out: 13, 38, 19, 83? (a) 13 (b) 38 (c) 19 (d) 83
  32. 32.Which number is the odd one out: 43, 67, 97, 16? (a) 43 (b) 67 (c) 97 (d) 16
  33. 33.Which number is the odd one out: 79, 43, 4, 53? (a) 79 (b) 43 (c) 4 (d) 53
  34. 34.Which number is the odd one out: 23, 71, 57, 59? (a) 23 (b) 71 (c) 57 (d) 59
  35. 35.Which number is the odd one out: 6, 87, 78, 61? (a) 6 (b) 87 (c) 78 (d) 61
  36. 36.Which number is the odd one out: 75, 13, 17, 19? (a) 75 (b) 13 (c) 17 (d) 19
  37. 37.Which number is the odd one out: 14, 48, 56, 96? (a) 14 (b) 48 (c) 56 (d) 96
  38. 38.Which number is the odd one out: 35, 97, 89, 59? (a) 35 (b) 97 (c) 89 (d) 59
  39. 39.Which number is the odd one out: 8, 80, 21, 40? (a) 8 (b) 80 (c) 21 (d) 40
  40. 40.Which number is the odd one out: 23, 79, 97, 46? (a) 23 (b) 79 (c) 97 (d) 46

Answer key

  1. 6
  2. 48
  3. 58
  4. 14
  5. 56
  6. 78
  7. 77
  8. 21
  9. 80
  10. 42
  11. 90
  12. 92
  13. 57
  14. 14
  15. 20
  16. 8
  17. 18
  18. 32
  19. 24
  20. 14
  21. 54
  22. 6
  23. 19
  24. 6
  25. 90
  26. 66
  27. 21
  28. 98
  29. 6
  30. 48
  31. 38
  32. 16
  33. 4
  34. 57
  35. 61
  36. 75
  37. 14
  38. 35
  39. 21
  40. 46

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