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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 357 · 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: 17, 13, 41, 26? (a) 17 (b) 13 (c) 41 (d) 26
  2. 2.Which number is the odd one out: 46, 97, 53, 29? (a) 46 (b) 97 (c) 53 (d) 29
  3. 3.Which number is the odd one out: 4, 64, 87, 16? (a) 4 (b) 64 (c) 87 (d) 16
  4. 4.Which number is the odd one out: 98, 19, 2, 11? (a) 98 (b) 19 (c) 2 (d) 11
  5. 5.Which number is the odd one out: 7, 16, 4, 64? (a) 7 (b) 16 (c) 4 (d) 64
  6. 6.Which number is the odd one out: 18, 27, 54, 67? (a) 18 (b) 27 (c) 54 (d) 67
  7. 7.Which number is the odd one out: 7, 11, 63, 67? (a) 7 (b) 11 (c) 63 (d) 67
  8. 8.Which number is the odd one out: 4, 75, 15, 55? (a) 4 (b) 75 (c) 15 (d) 55
  9. 9.Which number is the odd one out: 17, 71, 35, 13? (a) 17 (b) 71 (c) 35 (d) 13
  10. 10.Which number is the odd one out: 11, 53, 91, 17? (a) 11 (b) 53 (c) 91 (d) 17
  11. 11.Which number is the odd one out: 12, 97, 17, 29? (a) 12 (b) 97 (c) 17 (d) 29
  12. 12.Which number is the odd one out: 31, 97, 51, 83? (a) 31 (b) 97 (c) 51 (d) 83
  13. 13.Which number is the odd one out: 28, 19, 17, 23? (a) 28 (b) 19 (c) 17 (d) 23
  14. 14.Which number is the odd one out: 29, 17, 37, 75? (a) 29 (b) 17 (c) 37 (d) 75
  15. 15.Which number is the odd one out: 83, 14, 17, 37? (a) 83 (b) 14 (c) 17 (d) 37
  16. 16.Which number is the odd one out: 23, 88, 20, 40? (a) 23 (b) 88 (c) 20 (d) 40
  17. 17.Which number is the odd one out: 71, 29, 90, 47? (a) 71 (b) 29 (c) 90 (d) 47
  18. 18.Which number is the odd one out: 23, 17, 31, 92? (a) 23 (b) 17 (c) 31 (d) 92
  19. 19.Which number is the odd one out: 42, 84, 28, 97? (a) 42 (b) 84 (c) 28 (d) 97
  20. 20.Which number is the odd one out: 17, 73, 33, 13? (a) 17 (b) 73 (c) 33 (d) 13
  21. 21.Which number is the odd one out: 56, 28, 15, 8? (a) 56 (b) 28 (c) 15 (d) 8
  22. 22.Which number is the odd one out: 4, 16, 74, 64? (a) 4 (b) 16 (c) 74 (d) 64
  23. 23.Which number is the odd one out: 66, 19, 41, 43? (a) 66 (b) 19 (c) 41 (d) 43
  24. 24.Which number is the odd one out: 65, 85, 55, 7? (a) 65 (b) 85 (c) 55 (d) 7
  25. 25.Which number is the odd one out: 46, 76, 8, 32? (a) 46 (b) 76 (c) 8 (d) 32
  26. 26.Which number is the odd one out: 29, 31, 85, 53? (a) 29 (b) 31 (c) 85 (d) 53
  27. 27.Which number is the odd one out: 67, 46, 2, 59? (a) 67 (b) 46 (c) 2 (d) 59
  28. 28.Which number is the odd one out: 98, 61, 13, 97? (a) 98 (b) 61 (c) 13 (d) 97
  29. 29.Which number is the odd one out: 20, 11, 23, 67? (a) 20 (b) 11 (c) 23 (d) 67
  30. 30.Which number is the odd one out: 75, 64, 40, 15? (a) 75 (b) 64 (c) 40 (d) 15
  31. 31.Which number is the odd one out: 8, 48, 74, 24? (a) 8 (b) 48 (c) 74 (d) 24
  32. 32.Which number is the odd one out: 97, 19, 87, 11? (a) 97 (b) 19 (c) 87 (d) 11
  33. 33.Which number is the odd one out: 32, 80, 8, 5? (a) 32 (b) 80 (c) 8 (d) 5
  34. 34.Which number is the odd one out: 76, 23, 43, 53? (a) 76 (b) 23 (c) 43 (d) 53
  35. 35.Which number is the odd one out: 37, 41, 64, 67? (a) 37 (b) 41 (c) 64 (d) 67
  36. 36.Which number is the odd one out: 60, 45, 27, 18? (a) 60 (b) 45 (c) 27 (d) 18
  37. 37.Which number is the odd one out: 5, 89, 55, 23? (a) 5 (b) 89 (c) 55 (d) 23
  38. 38.Which number is the odd one out: 6, 12, 60, 10? (a) 6 (b) 12 (c) 60 (d) 10
  39. 39.Which number is the odd one out: 94, 74, 15, 34? (a) 94 (b) 74 (c) 15 (d) 34
  40. 40.Which number is the odd one out: 5, 80, 61, 40? (a) 5 (b) 80 (c) 61 (d) 40

Answer key

  1. 26
  2. 46
  3. 87
  4. 98
  5. 7
  6. 67
  7. 63
  8. 4
  9. 35
  10. 91
  11. 12
  12. 51
  13. 28
  14. 75
  15. 14
  16. 23
  17. 90
  18. 92
  19. 97
  20. 33
  21. 15
  22. 74
  23. 66
  24. 7
  25. 46
  26. 85
  27. 46
  28. 98
  29. 20
  30. 64
  31. 74
  32. 87
  33. 5
  34. 76
  35. 64
  36. 60
  37. 55
  38. 10
  39. 15
  40. 61

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