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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 94 · 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: 89, 26, 97, 2? (a) 89 (b) 26 (c) 97 (d) 2
  2. 2.Which number is the odd one out: 73, 53, 95, 11? (a) 73 (b) 53 (c) 95 (d) 11
  3. 3.Which number is the odd one out: 48, 55, 60, 24? (a) 48 (b) 55 (c) 60 (d) 24
  4. 4.Which number is the odd one out: 9, 46, 99, 81? (a) 9 (b) 46 (c) 99 (d) 81
  5. 5.Which number is the odd one out: 43, 56, 83, 13? (a) 43 (b) 56 (c) 83 (d) 13
  6. 6.Which number is the odd one out: 31, 77, 71, 23? (a) 31 (b) 77 (c) 71 (d) 23
  7. 7.Which number is the odd one out: 42, 64, 56, 4? (a) 42 (b) 64 (c) 56 (d) 4
  8. 8.Which number is the odd one out: 17, 83, 7, 14? (a) 17 (b) 83 (c) 7 (d) 14
  9. 9.Which number is the odd one out: 30, 9, 90, 6? (a) 30 (b) 9 (c) 90 (d) 6
  10. 10.Which number is the odd one out: 61, 97, 2, 38? (a) 61 (b) 97 (c) 2 (d) 38
  11. 11.Which number is the odd one out: 51, 13, 53, 41? (a) 51 (b) 13 (c) 53 (d) 41
  12. 12.Which number is the odd one out: 69, 3, 33, 89? (a) 69 (b) 3 (c) 33 (d) 89
  13. 13.Which number is the odd one out: 98, 84, 96, 14? (a) 98 (b) 84 (c) 96 (d) 14
  14. 14.Which number is the odd one out: 37, 24, 32, 48? (a) 37 (b) 24 (c) 32 (d) 48
  15. 15.Which number is the odd one out: 23, 48, 11, 47? (a) 23 (b) 48 (c) 11 (d) 47
  16. 16.Which number is the odd one out: 16, 64, 91, 8? (a) 16 (b) 64 (c) 91 (d) 8
  17. 17.Which number is the odd one out: 78, 80, 30, 24? (a) 78 (b) 80 (c) 30 (d) 24
  18. 18.Which number is the odd one out: 81, 56, 33, 9? (a) 81 (b) 56 (c) 33 (d) 9
  19. 19.Which number is the odd one out: 27, 18, 19, 54? (a) 27 (b) 18 (c) 19 (d) 54
  20. 20.Which number is the odd one out: 47, 19, 41, 6? (a) 47 (b) 19 (c) 41 (d) 6
  21. 21.Which number is the odd one out: 76, 35, 10, 44? (a) 76 (b) 35 (c) 10 (d) 44
  22. 22.Which number is the odd one out: 66, 23, 17, 31? (a) 66 (b) 23 (c) 17 (d) 31
  23. 23.Which number is the odd one out: 71, 92, 89, 61? (a) 71 (b) 92 (c) 89 (d) 61
  24. 24.Which number is the odd one out: 73, 59, 40, 41? (a) 73 (b) 59 (c) 40 (d) 41
  25. 25.Which number is the odd one out: 49, 9, 81, 91? (a) 49 (b) 9 (c) 81 (d) 91
  26. 26.Which number is the odd one out: 28, 37, 2, 79? (a) 28 (b) 37 (c) 2 (d) 79
  27. 27.Which number is the odd one out: 82, 83, 17, 61? (a) 82 (b) 83 (c) 17 (d) 61
  28. 28.Which number is the odd one out: 27, 99, 60, 45? (a) 27 (b) 99 (c) 60 (d) 45
  29. 29.Which number is the odd one out: 6, 78, 32, 96? (a) 6 (b) 78 (c) 32 (d) 96
  30. 30.Which number is the odd one out: 61, 55, 85, 5? (a) 61 (b) 55 (c) 85 (d) 5
  31. 31.Which number is the odd one out: 37, 11, 7, 91? (a) 37 (b) 11 (c) 7 (d) 91
  32. 32.Which number is the odd one out: 99, 13, 72, 79? (a) 99 (b) 13 (c) 72 (d) 79
  33. 33.Which number is the odd one out: 61, 64, 4, 16? (a) 61 (b) 64 (c) 4 (d) 16
  34. 34.Which number is the odd one out: 37, 89, 43, 52? (a) 37 (b) 89 (c) 43 (d) 52
  35. 35.Which number is the odd one out: 6, 97, 3, 2? (a) 6 (b) 97 (c) 3 (d) 2
  36. 36.Which number is the odd one out: 11, 22, 43, 19? (a) 11 (b) 22 (c) 43 (d) 19
  37. 37.Which number is the odd one out: 90, 59, 51, 29? (a) 90 (b) 59 (c) 51 (d) 29
  38. 38.Which number is the odd one out: 8, 22, 88, 69? (a) 8 (b) 22 (c) 88 (d) 69
  39. 39.Which number is the odd one out: 64, 59, 32, 16? (a) 64 (b) 59 (c) 32 (d) 16
  40. 40.Which number is the odd one out: 47, 60, 61, 5? (a) 47 (b) 60 (c) 61 (d) 5

Answer key

  1. 26
  2. 95
  3. 55
  4. 46
  5. 56
  6. 77
  7. 42
  8. 14
  9. 9
  10. 38
  11. 51
  12. 89
  13. 96
  14. 37
  15. 48
  16. 91
  17. 80
  18. 56
  19. 19
  20. 6
  21. 35
  22. 66
  23. 92
  24. 40
  25. 91
  26. 28
  27. 82
  28. 60
  29. 32
  30. 61
  31. 91
  32. 72
  33. 61
  34. 52
  35. 6
  36. 22
  37. 90
  38. 69
  39. 59
  40. 60

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