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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 300 · 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: 7, 46, 13, 77? (a) 7 (b) 46 (c) 13 (d) 77
  2. 2.Which number is the odd one out: 13, 41, 4, 47? (a) 13 (b) 41 (c) 4 (d) 47
  3. 3.Which number is the odd one out: 32, 81, 9, 4? (a) 32 (b) 81 (c) 9 (d) 4
  4. 4.Which number is the odd one out: 31, 5, 85, 73? (a) 31 (b) 5 (c) 85 (d) 73
  5. 5.Which number is the odd one out: 73, 34, 62, 94? (a) 73 (b) 34 (c) 62 (d) 94
  6. 6.Which number is the odd one out: 76, 46, 44, 67? (a) 76 (b) 46 (c) 44 (d) 67
  7. 7.Which number is the odd one out: 36, 67, 2, 31? (a) 36 (b) 67 (c) 2 (d) 31
  8. 8.Which number is the odd one out: 73, 10, 37, 23? (a) 73 (b) 10 (c) 37 (d) 23
  9. 9.Which number is the odd one out: 2, 89, 34, 59? (a) 2 (b) 89 (c) 34 (d) 59
  10. 10.Which number is the odd one out: 43, 29, 78, 23? (a) 43 (b) 29 (c) 78 (d) 23
  11. 11.Which number is the odd one out: 43, 84, 31, 7? (a) 43 (b) 84 (c) 31 (d) 7
  12. 12.Which number is the odd one out: 49, 8, 24, 48? (a) 49 (b) 8 (c) 24 (d) 48
  13. 13.Which number is the odd one out: 51, 19, 67, 89? (a) 51 (b) 19 (c) 67 (d) 89
  14. 14.Which number is the odd one out: 96, 24, 48, 29? (a) 96 (b) 24 (c) 48 (d) 29
  15. 15.Which number is the odd one out: 25, 18, 24, 72? (a) 25 (b) 18 (c) 24 (d) 72
  16. 16.Which number is the odd one out: 72, 11, 83, 3? (a) 72 (b) 11 (c) 83 (d) 3
  17. 17.Which number is the odd one out: 90, 16, 72, 64? (a) 90 (b) 16 (c) 72 (d) 64
  18. 18.Which number is the odd one out: 96, 65, 80, 24? (a) 96 (b) 65 (c) 80 (d) 24
  19. 19.Which number is the odd one out: 52, 68, 21, 92? (a) 52 (b) 68 (c) 21 (d) 92
  20. 20.Which number is the odd one out: 53, 67, 38, 2? (a) 53 (b) 67 (c) 38 (d) 2
  21. 21.Which number is the odd one out: 94, 86, 22, 69? (a) 94 (b) 86 (c) 22 (d) 69
  22. 22.Which number is the odd one out: 77, 70, 12, 35? (a) 77 (b) 70 (c) 12 (d) 35
  23. 23.Which number is the odd one out: 32, 8, 56, 91? (a) 32 (b) 8 (c) 56 (d) 91
  24. 24.Which number is the odd one out: 55, 15, 75, 47? (a) 55 (b) 15 (c) 75 (d) 47
  25. 25.Which number is the odd one out: 80, 32, 47, 40? (a) 80 (b) 32 (c) 47 (d) 40
  26. 26.Which number is the odd one out: 20, 25, 36, 55? (a) 20 (b) 25 (c) 36 (d) 55
  27. 27.Which number is the odd one out: 85, 72, 40, 18? (a) 85 (b) 72 (c) 40 (d) 18
  28. 28.Which number is the odd one out: 59, 88, 67, 73? (a) 59 (b) 88 (c) 67 (d) 73
  29. 29.Which number is the odd one out: 62, 97, 89, 67? (a) 62 (b) 97 (c) 89 (d) 67
  30. 30.Which number is the odd one out: 47, 73, 6, 37? (a) 47 (b) 73 (c) 6 (d) 37
  31. 31.Which number is the odd one out: 23, 64, 41, 47? (a) 23 (b) 64 (c) 41 (d) 47
  32. 32.Which number is the odd one out: 53, 11, 66, 43? (a) 53 (b) 11 (c) 66 (d) 43
  33. 33.Which number is the odd one out: 62, 4, 64, 16? (a) 62 (b) 4 (c) 64 (d) 16
  34. 34.Which number is the odd one out: 29, 76, 31, 97? (a) 29 (b) 76 (c) 31 (d) 97
  35. 35.Which number is the odd one out: 17, 59, 41, 52? (a) 17 (b) 59 (c) 41 (d) 52
  36. 36.Which number is the odd one out: 61, 79, 71, 18? (a) 61 (b) 79 (c) 71 (d) 18
  37. 37.Which number is the odd one out: 11, 96, 3, 43? (a) 11 (b) 96 (c) 3 (d) 43
  38. 38.Which number is the odd one out: 10, 12, 8, 96? (a) 10 (b) 12 (c) 8 (d) 96
  39. 39.Which number is the odd one out: 53, 25, 31, 67? (a) 53 (b) 25 (c) 31 (d) 67
  40. 40.Which number is the odd one out: 90, 27, 18, 55? (a) 90 (b) 27 (c) 18 (d) 55

Answer key

  1. 46
  2. 4
  3. 32
  4. 85
  5. 73
  6. 67
  7. 36
  8. 10
  9. 34
  10. 78
  11. 84
  12. 49
  13. 51
  14. 29
  15. 25
  16. 72
  17. 90
  18. 65
  19. 21
  20. 38
  21. 69
  22. 12
  23. 91
  24. 47
  25. 47
  26. 36
  27. 85
  28. 88
  29. 62
  30. 6
  31. 64
  32. 66
  33. 62
  34. 76
  35. 52
  36. 18
  37. 96
  38. 10
  39. 25
  40. 55

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