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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 767 · 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: 40, 32, 47, 80? (a) 40 (b) 32 (c) 47 (d) 80
  2. 2.Which number is the odd one out: 96, 3, 89, 48? (a) 96 (b) 3 (c) 89 (d) 48
  3. 3.Which number is the odd one out: 71, 59, 47, 6? (a) 71 (b) 59 (c) 47 (d) 6
  4. 4.Which number is the odd one out: 43, 39, 23, 89? (a) 43 (b) 39 (c) 23 (d) 89
  5. 5.Which number is the odd one out: 3, 47, 61, 99? (a) 3 (b) 47 (c) 61 (d) 99
  6. 6.Which number is the odd one out: 96, 24, 54, 72? (a) 96 (b) 24 (c) 54 (d) 72
  7. 7.Which number is the odd one out: 19, 13, 53, 96? (a) 19 (b) 13 (c) 53 (d) 96
  8. 8.Which number is the odd one out: 89, 74, 2, 43? (a) 89 (b) 74 (c) 2 (d) 43
  9. 9.Which number is the odd one out: 17, 67, 34, 31? (a) 17 (b) 67 (c) 34 (d) 31
  10. 10.Which number is the odd one out: 41, 89, 15, 3? (a) 41 (b) 89 (c) 15 (d) 3
  11. 11.Which number is the odd one out: 18, 13, 24, 72? (a) 18 (b) 13 (c) 24 (d) 72
  12. 12.Which number is the odd one out: 25, 20, 88, 8? (a) 25 (b) 20 (c) 88 (d) 8
  13. 13.Which number is the odd one out: 5, 61, 75, 29? (a) 5 (b) 61 (c) 75 (d) 29
  14. 14.Which number is the odd one out: 9, 81, 88, 99? (a) 9 (b) 81 (c) 88 (d) 99
  15. 15.Which number is the odd one out: 16, 8, 25, 40? (a) 16 (b) 8 (c) 25 (d) 40
  16. 16.Which number is the odd one out: 67, 41, 70, 59? (a) 67 (b) 41 (c) 70 (d) 59
  17. 17.Which number is the odd one out: 8, 96, 70, 24? (a) 8 (b) 96 (c) 70 (d) 24
  18. 18.Which number is the odd one out: 47, 12, 17, 97? (a) 47 (b) 12 (c) 17 (d) 97
  19. 19.Which number is the odd one out: 60, 79, 31, 73? (a) 60 (b) 79 (c) 31 (d) 73
  20. 20.Which number is the odd one out: 29, 19, 11, 4? (a) 29 (b) 19 (c) 11 (d) 4
  21. 21.Which number is the odd one out: 13, 47, 37, 68? (a) 13 (b) 47 (c) 37 (d) 68
  22. 22.Which number is the odd one out: 47, 19, 79, 8? (a) 47 (b) 19 (c) 79 (d) 8
  23. 23.Which number is the odd one out: 38, 37, 61, 71? (a) 38 (b) 37 (c) 61 (d) 71
  24. 24.Which number is the odd one out: 2, 53, 18, 43? (a) 2 (b) 53 (c) 18 (d) 43
  25. 25.Which number is the odd one out: 4, 61, 19, 67? (a) 4 (b) 61 (c) 19 (d) 67
  26. 26.Which number is the odd one out: 11, 99, 67, 61? (a) 11 (b) 99 (c) 67 (d) 61
  27. 27.Which number is the odd one out: 17, 79, 77, 37? (a) 17 (b) 79 (c) 77 (d) 37
  28. 28.Which number is the odd one out: 47, 29, 79, 76? (a) 47 (b) 29 (c) 79 (d) 76
  29. 29.Which number is the odd one out: 33, 68, 57, 39? (a) 33 (b) 68 (c) 57 (d) 39
  30. 30.Which number is the odd one out: 66, 43, 59, 17? (a) 66 (b) 43 (c) 59 (d) 17
  31. 31.Which number is the odd one out: 73, 20, 31, 61? (a) 73 (b) 20 (c) 31 (d) 61
  32. 32.Which number is the odd one out: 64, 71, 67, 41? (a) 64 (b) 71 (c) 67 (d) 41
  33. 33.Which number is the odd one out: 97, 69, 57, 3? (a) 97 (b) 69 (c) 57 (d) 3
  34. 34.Which number is the odd one out: 40, 20, 14, 80? (a) 40 (b) 20 (c) 14 (d) 80
  35. 35.Which number is the odd one out: 37, 5, 3, 75? (a) 37 (b) 5 (c) 3 (d) 75
  36. 36.Which number is the odd one out: 19, 47, 14, 73? (a) 19 (b) 47 (c) 14 (d) 73
  37. 37.Which number is the odd one out: 96, 30, 35, 24? (a) 96 (b) 30 (c) 35 (d) 24
  38. 38.Which number is the odd one out: 33, 61, 89, 19? (a) 33 (b) 61 (c) 89 (d) 19
  39. 39.Which number is the odd one out: 55, 8, 32, 40? (a) 55 (b) 8 (c) 32 (d) 40
  40. 40.Which number is the odd one out: 78, 41, 79, 19? (a) 78 (b) 41 (c) 79 (d) 19

Answer key

  1. 47
  2. 89
  3. 6
  4. 39
  5. 99
  6. 54
  7. 96
  8. 74
  9. 34
  10. 15
  11. 13
  12. 25
  13. 75
  14. 88
  15. 25
  16. 70
  17. 70
  18. 12
  19. 60
  20. 4
  21. 68
  22. 8
  23. 38
  24. 18
  25. 4
  26. 99
  27. 77
  28. 76
  29. 68
  30. 66
  31. 20
  32. 64
  33. 97
  34. 14
  35. 75
  36. 14
  37. 35
  38. 33
  39. 55
  40. 78

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