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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 590 · 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: 11, 97, 2, 83? (a) 11 (b) 97 (c) 2 (d) 83
  2. 2.Which number is the odd one out: 5, 15, 11, 41? (a) 5 (b) 15 (c) 11 (d) 41
  3. 3.Which number is the odd one out: 89, 30, 83, 43? (a) 89 (b) 30 (c) 83 (d) 43
  4. 4.Which number is the odd one out: 2, 7, 59, 98? (a) 2 (b) 7 (c) 59 (d) 98
  5. 5.Which number is the odd one out: 59, 79, 29, 33? (a) 59 (b) 79 (c) 29 (d) 33
  6. 6.Which number is the odd one out: 59, 3, 12, 43? (a) 59 (b) 3 (c) 12 (d) 43
  7. 7.Which number is the odd one out: 73, 29, 8, 2? (a) 73 (b) 29 (c) 8 (d) 2
  8. 8.Which number is the odd one out: 11, 97, 27, 67? (a) 11 (b) 97 (c) 27 (d) 67
  9. 9.Which number is the odd one out: 73, 67, 83, 78? (a) 73 (b) 67 (c) 83 (d) 78
  10. 10.Which number is the odd one out: 2, 67, 19, 17? (a) 2 (b) 67 (c) 19 (d) 17
  11. 11.Which number is the odd one out: 11, 60, 89, 29? (a) 11 (b) 60 (c) 89 (d) 29
  12. 12.Which number is the odd one out: 43, 17, 67, 25? (a) 43 (b) 17 (c) 67 (d) 25
  13. 13.Which number is the odd one out: 16, 95, 25, 40? (a) 16 (b) 95 (c) 25 (d) 40
  14. 14.Which number is the odd one out: 95, 20, 59, 11? (a) 95 (b) 20 (c) 59 (d) 11
  15. 15.Which number is the odd one out: 2, 11, 74, 97? (a) 2 (b) 11 (c) 74 (d) 97
  16. 16.Which number is the odd one out: 29, 24, 43, 67? (a) 29 (b) 24 (c) 43 (d) 67
  17. 17.Which number is the odd one out: 44, 67, 89, 47? (a) 44 (b) 67 (c) 89 (d) 47
  18. 18.Which number is the odd one out: 73, 97, 32, 31? (a) 73 (b) 97 (c) 32 (d) 31
  19. 19.Which number is the odd one out: 11, 31, 58, 29? (a) 11 (b) 31 (c) 58 (d) 29
  20. 20.Which number is the odd one out: 52, 79, 11, 31? (a) 52 (b) 79 (c) 11 (d) 31
  21. 21.Which number is the odd one out: 56, 19, 53, 2? (a) 56 (b) 19 (c) 53 (d) 2
  22. 22.Which number is the odd one out: 44, 53, 89, 43? (a) 44 (b) 53 (c) 89 (d) 43
  23. 23.Which number is the odd one out: 14, 46, 98, 25? (a) 14 (b) 46 (c) 98 (d) 25
  24. 24.Which number is the odd one out: 15, 91, 95, 75? (a) 15 (b) 91 (c) 95 (d) 75
  25. 25.Which number is the odd one out: 8, 30, 32, 24? (a) 8 (b) 30 (c) 32 (d) 24
  26. 26.Which number is the odd one out: 32, 85, 48, 24? (a) 32 (b) 85 (c) 48 (d) 24
  27. 27.Which number is the odd one out: 14, 96, 28, 42? (a) 14 (b) 96 (c) 28 (d) 42
  28. 28.Which number is the odd one out: 42, 17, 53, 31? (a) 42 (b) 17 (c) 53 (d) 31
  29. 29.Which number is the odd one out: 43, 73, 62, 2? (a) 43 (b) 73 (c) 62 (d) 2
  30. 30.Which number is the odd one out: 26, 74, 86, 79? (a) 26 (b) 74 (c) 86 (d) 79
  31. 31.Which number is the odd one out: 54, 16, 64, 4? (a) 54 (b) 16 (c) 64 (d) 4
  32. 32.Which number is the odd one out: 17, 51, 3, 79? (a) 17 (b) 51 (c) 3 (d) 79
  33. 33.Which number is the odd one out: 17, 53, 62, 97? (a) 17 (b) 53 (c) 62 (d) 97
  34. 34.Which number is the odd one out: 27, 17, 53, 73? (a) 27 (b) 17 (c) 53 (d) 73
  35. 35.Which number is the odd one out: 46, 11, 83, 2? (a) 46 (b) 11 (c) 83 (d) 2
  36. 36.Which number is the odd one out: 29, 79, 83, 46? (a) 29 (b) 79 (c) 83 (d) 46
  37. 37.Which number is the odd one out: 14, 21, 24, 77? (a) 14 (b) 21 (c) 24 (d) 77
  38. 38.Which number is the odd one out: 29, 60, 43, 53? (a) 29 (b) 60 (c) 43 (d) 53
  39. 39.Which number is the odd one out: 41, 37, 13, 70? (a) 41 (b) 37 (c) 13 (d) 70
  40. 40.Which number is the odd one out: 61, 89, 29, 55? (a) 61 (b) 89 (c) 29 (d) 55

Answer key

  1. 2
  2. 15
  3. 30
  4. 98
  5. 33
  6. 12
  7. 8
  8. 27
  9. 78
  10. 2
  11. 60
  12. 25
  13. 16
  14. 20
  15. 74
  16. 24
  17. 44
  18. 32
  19. 58
  20. 52
  21. 56
  22. 44
  23. 25
  24. 91
  25. 30
  26. 85
  27. 96
  28. 42
  29. 62
  30. 79
  31. 54
  32. 51
  33. 62
  34. 27
  35. 46
  36. 46
  37. 24
  38. 60
  39. 70
  40. 55

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