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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 19 · 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: 80, 2, 17, 43? (a) 80 (b) 2 (c) 17 (d) 43
  2. 2.Which number is the odd one out: 79, 47, 85, 37? (a) 79 (b) 47 (c) 85 (d) 37
  3. 3.Which number is the odd one out: 38, 83, 43, 59? (a) 38 (b) 83 (c) 43 (d) 59
  4. 4.Which number is the odd one out: 84, 59, 41, 67? (a) 84 (b) 59 (c) 41 (d) 67
  5. 5.Which number is the odd one out: 66, 12, 60, 95? (a) 66 (b) 12 (c) 60 (d) 95
  6. 6.Which number is the odd one out: 32, 73, 37, 2? (a) 32 (b) 73 (c) 37 (d) 2
  7. 7.Which number is the odd one out: 51, 67, 3, 29? (a) 51 (b) 67 (c) 3 (d) 29
  8. 8.Which number is the odd one out: 3, 88, 8, 32? (a) 3 (b) 88 (c) 8 (d) 32
  9. 9.Which number is the odd one out: 16, 4, 89, 64? (a) 16 (b) 4 (c) 89 (d) 64
  10. 10.Which number is the odd one out: 17, 73, 44, 37? (a) 17 (b) 73 (c) 44 (d) 37
  11. 11.Which number is the odd one out: 78, 48, 24, 3? (a) 78 (b) 48 (c) 24 (d) 3
  12. 12.Which number is the odd one out: 97, 44, 2, 23? (a) 97 (b) 44 (c) 2 (d) 23
  13. 13.Which number is the odd one out: 77, 21, 91, 3? (a) 77 (b) 21 (c) 91 (d) 3
  14. 14.Which number is the odd one out: 29, 79, 56, 2? (a) 29 (b) 79 (c) 56 (d) 2
  15. 15.Which number is the odd one out: 84, 59, 87, 83? (a) 84 (b) 59 (c) 87 (d) 83
  16. 16.Which number is the odd one out: 47, 36, 67, 11? (a) 47 (b) 36 (c) 67 (d) 11
  17. 17.Which number is the odd one out: 83, 61, 71, 9? (a) 83 (b) 61 (c) 71 (d) 9
  18. 18.Which number is the odd one out: 84, 13, 17, 61? (a) 84 (b) 13 (c) 17 (d) 61
  19. 19.Which number is the odd one out: 19, 24, 59, 73? (a) 19 (b) 24 (c) 59 (d) 73
  20. 20.Which number is the odd one out: 76, 19, 29, 11? (a) 76 (b) 19 (c) 29 (d) 11
  21. 21.Which number is the odd one out: 43, 31, 17, 88? (a) 43 (b) 31 (c) 17 (d) 88
  22. 22.Which number is the odd one out: 29, 73, 40, 31? (a) 29 (b) 73 (c) 40 (d) 31
  23. 23.Which number is the odd one out: 82, 97, 19, 89? (a) 82 (b) 97 (c) 19 (d) 89
  24. 24.Which number is the odd one out: 3, 67, 90, 41? (a) 3 (b) 67 (c) 90 (d) 41
  25. 25.Which number is the odd one out: 23, 71, 91, 59? (a) 23 (b) 71 (c) 91 (d) 59
  26. 26.Which number is the odd one out: 88, 96, 44, 48? (a) 88 (b) 96 (c) 44 (d) 48
  27. 27.Which number is the odd one out: 16, 32, 64, 73? (a) 16 (b) 32 (c) 64 (d) 73
  28. 28.Which number is the odd one out: 78, 20, 40, 80? (a) 78 (b) 20 (c) 40 (d) 80
  29. 29.Which number is the odd one out: 61, 17, 66, 53? (a) 61 (b) 17 (c) 66 (d) 53
  30. 30.Which number is the odd one out: 86, 16, 72, 36? (a) 86 (b) 16 (c) 72 (d) 36
  31. 31.Which number is the odd one out: 8, 19, 79, 31? (a) 8 (b) 19 (c) 79 (d) 31
  32. 32.Which number is the odd one out: 80, 48, 8, 60? (a) 80 (b) 48 (c) 8 (d) 60
  33. 33.Which number is the odd one out: 13, 63, 71, 41? (a) 13 (b) 63 (c) 71 (d) 41
  34. 34.Which number is the odd one out: 29, 37, 60, 61? (a) 29 (b) 37 (c) 60 (d) 61
  35. 35.Which number is the odd one out: 22, 55, 68, 52? (a) 22 (b) 55 (c) 68 (d) 52
  36. 36.Which number is the odd one out: 88, 50, 16, 64? (a) 88 (b) 50 (c) 16 (d) 64
  37. 37.Which number is the odd one out: 86, 41, 2, 43? (a) 86 (b) 41 (c) 2 (d) 43
  38. 38.Which number is the odd one out: 43, 27, 19, 97? (a) 43 (b) 27 (c) 19 (d) 97
  39. 39.Which number is the odd one out: 18, 65, 90, 66? (a) 18 (b) 65 (c) 90 (d) 66
  40. 40.Which number is the odd one out: 6, 23, 13, 67? (a) 6 (b) 23 (c) 13 (d) 67

Answer key

  1. 80
  2. 85
  3. 38
  4. 84
  5. 95
  6. 32
  7. 51
  8. 3
  9. 89
  10. 44
  11. 3
  12. 44
  13. 3
  14. 56
  15. 84
  16. 36
  17. 9
  18. 84
  19. 24
  20. 76
  21. 88
  22. 40
  23. 82
  24. 90
  25. 91
  26. 44
  27. 73
  28. 78
  29. 66
  30. 86
  31. 8
  32. 60
  33. 63
  34. 60
  35. 55
  36. 50
  37. 86
  38. 27
  39. 65
  40. 6

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