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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 368 · 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: 64, 88, 11, 16? (a) 64 (b) 88 (c) 11 (d) 16
  2. 2.Which number is the odd one out: 71, 76, 61, 11? (a) 71 (b) 76 (c) 61 (d) 11
  3. 3.Which number is the odd one out: 41, 6, 3, 11? (a) 41 (b) 6 (c) 3 (d) 11
  4. 4.Which number is the odd one out: 77, 51, 69, 21? (a) 77 (b) 51 (c) 69 (d) 21
  5. 5.Which number is the odd one out: 88, 64, 16, 2? (a) 88 (b) 64 (c) 16 (d) 2
  6. 6.Which number is the odd one out: 26, 94, 73, 38? (a) 26 (b) 94 (c) 73 (d) 38
  7. 7.Which number is the odd one out: 19, 83, 53, 22? (a) 19 (b) 83 (c) 53 (d) 22
  8. 8.Which number is the odd one out: 54, 96, 44, 88? (a) 54 (b) 96 (c) 44 (d) 88
  9. 9.Which number is the odd one out: 62, 15, 26, 58? (a) 62 (b) 15 (c) 26 (d) 58
  10. 10.Which number is the odd one out: 35, 27, 90, 18? (a) 35 (b) 27 (c) 90 (d) 18
  11. 11.Which number is the odd one out: 96, 24, 48, 67? (a) 96 (b) 24 (c) 48 (d) 67
  12. 12.Which number is the odd one out: 13, 38, 17, 41? (a) 13 (b) 38 (c) 17 (d) 41
  13. 13.Which number is the odd one out: 59, 47, 17, 99? (a) 59 (b) 47 (c) 17 (d) 99
  14. 14.Which number is the odd one out: 2, 61, 23, 70? (a) 2 (b) 61 (c) 23 (d) 70
  15. 15.Which number is the odd one out: 47, 30, 41, 85? (a) 47 (b) 30 (c) 41 (d) 85
  16. 16.Which number is the odd one out: 23, 53, 31, 77? (a) 23 (b) 53 (c) 31 (d) 77
  17. 17.Which number is the odd one out: 72, 19, 41, 11? (a) 72 (b) 19 (c) 41 (d) 11
  18. 18.Which number is the odd one out: 2, 43, 88, 37? (a) 2 (b) 43 (c) 88 (d) 37
  19. 19.Which number is the odd one out: 16, 38, 8, 64? (a) 16 (b) 38 (c) 8 (d) 64
  20. 20.Which number is the odd one out: 79, 37, 87, 73? (a) 79 (b) 37 (c) 87 (d) 73
  21. 21.Which number is the odd one out: 47, 64, 4, 32? (a) 47 (b) 64 (c) 4 (d) 32
  22. 22.Which number is the odd one out: 99, 37, 31, 43? (a) 99 (b) 37 (c) 31 (d) 43
  23. 23.Which number is the odd one out: 44, 19, 23, 53? (a) 44 (b) 19 (c) 23 (d) 53
  24. 24.Which number is the odd one out: 6, 85, 24, 48? (a) 6 (b) 85 (c) 24 (d) 48
  25. 25.Which number is the odd one out: 77, 91, 44, 14? (a) 77 (b) 91 (c) 44 (d) 14
  26. 26.Which number is the odd one out: 52, 67, 83, 73? (a) 52 (b) 67 (c) 83 (d) 73
  27. 27.Which number is the odd one out: 80, 5, 2, 11? (a) 80 (b) 5 (c) 2 (d) 11
  28. 28.Which number is the odd one out: 83, 44, 13, 31? (a) 83 (b) 44 (c) 13 (d) 31
  29. 29.Which number is the odd one out: 29, 13, 60, 2? (a) 29 (b) 13 (c) 60 (d) 2
  30. 30.Which number is the odd one out: 17, 23, 11, 96? (a) 17 (b) 23 (c) 11 (d) 96
  31. 31.Which number is the odd one out: 3, 63, 73, 67? (a) 3 (b) 63 (c) 73 (d) 67
  32. 32.Which number is the odd one out: 17, 14, 89, 97? (a) 17 (b) 14 (c) 89 (d) 97
  33. 33.Which number is the odd one out: 33, 39, 20, 69? (a) 33 (b) 39 (c) 20 (d) 69
  34. 34.Which number is the odd one out: 11, 71, 90, 19? (a) 11 (b) 71 (c) 90 (d) 19
  35. 35.Which number is the odd one out: 30, 78, 66, 20? (a) 30 (b) 78 (c) 66 (d) 20
  36. 36.Which number is the odd one out: 28, 24, 98, 42? (a) 28 (b) 24 (c) 98 (d) 42
  37. 37.Which number is the odd one out: 26, 32, 24, 96? (a) 26 (b) 32 (c) 24 (d) 96
  38. 38.Which number is the odd one out: 46, 88, 16, 64? (a) 46 (b) 88 (c) 16 (d) 64
  39. 39.Which number is the odd one out: 8, 63, 88, 52? (a) 8 (b) 63 (c) 88 (d) 52
  40. 40.Which number is the odd one out: 66, 49, 18, 54? (a) 66 (b) 49 (c) 18 (d) 54

Answer key

  1. 11
  2. 76
  3. 6
  4. 77
  5. 2
  6. 73
  7. 22
  8. 54
  9. 15
  10. 35
  11. 67
  12. 38
  13. 99
  14. 70
  15. 30
  16. 77
  17. 72
  18. 88
  19. 38
  20. 87
  21. 47
  22. 99
  23. 44
  24. 85
  25. 44
  26. 52
  27. 80
  28. 44
  29. 60
  30. 96
  31. 63
  32. 14
  33. 20
  34. 90
  35. 20
  36. 24
  37. 26
  38. 46
  39. 63
  40. 49

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