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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 778 · 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: 96, 32, 46, 24? (a) 96 (b) 32 (c) 46 (d) 24
  2. 2.Which number is the odd one out: 73, 43, 75, 83? (a) 73 (b) 43 (c) 75 (d) 83
  3. 3.Which number is the odd one out: 8, 88, 32, 59? (a) 8 (b) 88 (c) 32 (d) 59
  4. 4.Which number is the odd one out: 23, 17, 57, 29? (a) 23 (b) 17 (c) 57 (d) 29
  5. 5.Which number is the odd one out: 2, 70, 5, 47? (a) 2 (b) 70 (c) 5 (d) 47
  6. 6.Which number is the odd one out: 42, 3, 7, 59? (a) 42 (b) 3 (c) 7 (d) 59
  7. 7.Which number is the odd one out: 29, 73, 17, 48? (a) 29 (b) 73 (c) 17 (d) 48
  8. 8.Which number is the odd one out: 27, 90, 15, 18? (a) 27 (b) 90 (c) 15 (d) 18
  9. 9.Which number is the odd one out: 19, 73, 53, 4? (a) 19 (b) 73 (c) 53 (d) 4
  10. 10.Which number is the odd one out: 73, 26, 13, 79? (a) 73 (b) 26 (c) 13 (d) 79
  11. 11.Which number is the odd one out: 24, 71, 3, 43? (a) 24 (b) 71 (c) 3 (d) 43
  12. 12.Which number is the odd one out: 9, 40, 16, 81? (a) 9 (b) 40 (c) 16 (d) 81
  13. 13.Which number is the odd one out: 9, 59, 13, 31? (a) 9 (b) 59 (c) 13 (d) 31
  14. 14.Which number is the odd one out: 83, 53, 96, 71? (a) 83 (b) 53 (c) 96 (d) 71
  15. 15.Which number is the odd one out: 61, 47, 54, 83? (a) 61 (b) 47 (c) 54 (d) 83
  16. 16.Which number is the odd one out: 25, 47, 17, 13? (a) 25 (b) 47 (c) 17 (d) 13
  17. 17.Which number is the odd one out: 53, 32, 13, 47? (a) 53 (b) 32 (c) 13 (d) 47
  18. 18.Which number is the odd one out: 61, 11, 57, 97? (a) 61 (b) 11 (c) 57 (d) 97
  19. 19.Which number is the odd one out: 8, 55, 88, 32? (a) 8 (b) 55 (c) 88 (d) 32
  20. 20.Which number is the odd one out: 66, 60, 80, 6? (a) 66 (b) 60 (c) 80 (d) 6
  21. 21.Which number is the odd one out: 96, 32, 97, 12? (a) 96 (b) 32 (c) 97 (d) 12
  22. 22.Which number is the odd one out: 27, 67, 53, 89? (a) 27 (b) 67 (c) 53 (d) 89
  23. 23.Which number is the odd one out: 69, 83, 54, 41? (a) 69 (b) 83 (c) 54 (d) 41
  24. 24.Which number is the odd one out: 51, 23, 53, 41? (a) 51 (b) 23 (c) 53 (d) 41
  25. 25.Which number is the odd one out: 31, 79, 6, 37? (a) 31 (b) 79 (c) 6 (d) 37
  26. 26.Which number is the odd one out: 48, 59, 53, 83? (a) 48 (b) 59 (c) 53 (d) 83
  27. 27.Which number is the odd one out: 66, 67, 3, 17? (a) 66 (b) 67 (c) 3 (d) 17
  28. 28.Which number is the odd one out: 79, 23, 60, 17? (a) 79 (b) 23 (c) 60 (d) 17
  29. 29.Which number is the odd one out: 8, 88, 85, 32? (a) 8 (b) 88 (c) 85 (d) 32
  30. 30.Which number is the odd one out: 5, 43, 40, 53? (a) 5 (b) 43 (c) 40 (d) 53
  31. 31.Which number is the odd one out: 47, 12, 20, 30? (a) 47 (b) 12 (c) 20 (d) 30
  32. 32.Which number is the odd one out: 83, 77, 43, 37? (a) 83 (b) 77 (c) 43 (d) 37
  33. 33.Which number is the odd one out: 43, 24, 96, 32? (a) 43 (b) 24 (c) 96 (d) 32
  34. 34.Which number is the odd one out: 63, 71, 67, 3? (a) 63 (b) 71 (c) 67 (d) 3
  35. 35.Which number is the odd one out: 21, 56, 8, 34? (a) 21 (b) 56 (c) 8 (d) 34
  36. 36.Which number is the odd one out: 72, 71, 11, 29? (a) 72 (b) 71 (c) 11 (d) 29
  37. 37.Which number is the odd one out: 90, 40, 54, 24? (a) 90 (b) 40 (c) 54 (d) 24
  38. 38.Which number is the odd one out: 48, 35, 72, 90? (a) 48 (b) 35 (c) 72 (d) 90
  39. 39.Which number is the odd one out: 66, 42, 35, 46? (a) 66 (b) 42 (c) 35 (d) 46
  40. 40.Which number is the odd one out: 89, 6, 71, 3? (a) 89 (b) 6 (c) 71 (d) 3

Answer key

  1. 46
  2. 75
  3. 59
  4. 57
  5. 70
  6. 42
  7. 48
  8. 15
  9. 4
  10. 26
  11. 24
  12. 40
  13. 9
  14. 96
  15. 54
  16. 25
  17. 32
  18. 57
  19. 55
  20. 80
  21. 97
  22. 27
  23. 54
  24. 51
  25. 6
  26. 48
  27. 66
  28. 60
  29. 85
  30. 40
  31. 47
  32. 77
  33. 43
  34. 63
  35. 21
  36. 72
  37. 40
  38. 35
  39. 35
  40. 6

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