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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 59 · 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: 29, 37, 25, 67? (a) 29 (b) 37 (c) 25 (d) 67
  2. 2.Which number is the odd one out: 4, 32, 48, 24? (a) 4 (b) 32 (c) 48 (d) 24
  3. 3.Which number is the odd one out: 30, 56, 18, 90? (a) 30 (b) 56 (c) 18 (d) 90
  4. 4.Which number is the odd one out: 31, 92, 89, 73? (a) 31 (b) 92 (c) 89 (d) 73
  5. 5.Which number is the odd one out: 70, 43, 11, 17? (a) 70 (b) 43 (c) 11 (d) 17
  6. 6.Which number is the odd one out: 13, 25, 41, 5? (a) 13 (b) 25 (c) 41 (d) 5
  7. 7.Which number is the odd one out: 3, 53, 90, 47? (a) 3 (b) 53 (c) 90 (d) 47
  8. 8.Which number is the odd one out: 15, 6, 43, 5? (a) 15 (b) 6 (c) 43 (d) 5
  9. 9.Which number is the odd one out: 24, 48, 96, 41? (a) 24 (b) 48 (c) 96 (d) 41
  10. 10.Which number is the odd one out: 20, 50, 18, 60? (a) 20 (b) 50 (c) 18 (d) 60
  11. 11.Which number is the odd one out: 18, 9, 42, 81? (a) 18 (b) 9 (c) 42 (d) 81
  12. 12.Which number is the odd one out: 53, 35, 17, 43? (a) 53 (b) 35 (c) 17 (d) 43
  13. 13.Which number is the odd one out: 50, 47, 73, 53? (a) 50 (b) 47 (c) 73 (d) 53
  14. 14.Which number is the odd one out: 41, 23, 11, 44? (a) 41 (b) 23 (c) 11 (d) 44
  15. 15.Which number is the odd one out: 67, 17, 41, 63? (a) 67 (b) 17 (c) 41 (d) 63
  16. 16.Which number is the odd one out: 59, 23, 54, 83? (a) 59 (b) 23 (c) 54 (d) 83
  17. 17.Which number is the odd one out: 11, 59, 16, 53? (a) 11 (b) 59 (c) 16 (d) 53
  18. 18.Which number is the odd one out: 59, 97, 67, 40? (a) 59 (b) 97 (c) 67 (d) 40
  19. 19.Which number is the odd one out: 16, 64, 54, 24? (a) 16 (b) 64 (c) 54 (d) 24
  20. 20.Which number is the odd one out: 61, 71, 75, 29? (a) 61 (b) 71 (c) 75 (d) 29
  21. 21.Which number is the odd one out: 78, 39, 96, 24? (a) 78 (b) 39 (c) 96 (d) 24
  22. 22.Which number is the odd one out: 13, 97, 47, 32? (a) 13 (b) 97 (c) 47 (d) 32
  23. 23.Which number is the odd one out: 68, 57, 39, 69? (a) 68 (b) 57 (c) 39 (d) 69
  24. 24.Which number is the odd one out: 99, 46, 27, 69? (a) 99 (b) 46 (c) 27 (d) 69
  25. 25.Which number is the odd one out: 25, 41, 5, 73? (a) 25 (b) 41 (c) 5 (d) 73
  26. 26.Which number is the odd one out: 24, 48, 2, 61? (a) 24 (b) 48 (c) 2 (d) 61
  27. 27.Which number is the odd one out: 13, 3, 75, 31? (a) 13 (b) 3 (c) 75 (d) 31
  28. 28.Which number is the odd one out: 9, 53, 43, 73? (a) 9 (b) 53 (c) 43 (d) 73
  29. 29.Which number is the odd one out: 66, 27, 99, 18? (a) 66 (b) 27 (c) 99 (d) 18
  30. 30.Which number is the odd one out: 56, 53, 73, 29? (a) 56 (b) 53 (c) 73 (d) 29
  31. 31.Which number is the odd one out: 32, 79, 47, 89? (a) 32 (b) 79 (c) 47 (d) 89
  32. 32.Which number is the odd one out: 73, 22, 93, 3? (a) 73 (b) 22 (c) 93 (d) 3
  33. 33.Which number is the odd one out: 92, 65, 35, 70? (a) 92 (b) 65 (c) 35 (d) 70
  34. 34.Which number is the odd one out: 20, 37, 47, 29? (a) 20 (b) 37 (c) 47 (d) 29
  35. 35.Which number is the odd one out: 52, 71, 13, 97? (a) 52 (b) 71 (c) 13 (d) 97
  36. 36.Which number is the odd one out: 79, 97, 51, 73? (a) 79 (b) 97 (c) 51 (d) 73
  37. 37.Which number is the odd one out: 71, 61, 31, 15? (a) 71 (b) 61 (c) 31 (d) 15
  38. 38.Which number is the odd one out: 71, 68, 67, 47? (a) 71 (b) 68 (c) 67 (d) 47
  39. 39.Which number is the odd one out: 23, 89, 8, 53? (a) 23 (b) 89 (c) 8 (d) 53
  40. 40.Which number is the odd one out: 71, 41, 62, 59? (a) 71 (b) 41 (c) 62 (d) 59

Answer key

  1. 25
  2. 4
  3. 56
  4. 92
  5. 70
  6. 25
  7. 90
  8. 6
  9. 41
  10. 18
  11. 42
  12. 35
  13. 50
  14. 44
  15. 63
  16. 54
  17. 16
  18. 40
  19. 54
  20. 75
  21. 39
  22. 32
  23. 68
  24. 46
  25. 25
  26. 61
  27. 75
  28. 9
  29. 66
  30. 56
  31. 32
  32. 22
  33. 92
  34. 20
  35. 52
  36. 51
  37. 15
  38. 68
  39. 8
  40. 62

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