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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 432 · 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: 88, 48, 38, 24? (a) 88 (b) 48 (c) 38 (d) 24
  2. 2.Which number is the odd one out: 24, 17, 71, 83? (a) 24 (b) 17 (c) 71 (d) 83
  3. 3.Which number is the odd one out: 95, 13, 10, 41? (a) 95 (b) 13 (c) 10 (d) 41
  4. 4.Which number is the odd one out: 61, 19, 28, 29? (a) 61 (b) 19 (c) 28 (d) 29
  5. 5.Which number is the odd one out: 37, 47, 17, 70? (a) 37 (b) 47 (c) 17 (d) 70
  6. 6.Which number is the odd one out: 66, 18, 72, 8? (a) 66 (b) 18 (c) 72 (d) 8
  7. 7.Which number is the odd one out: 35, 80, 91, 40? (a) 35 (b) 80 (c) 91 (d) 40
  8. 8.Which number is the odd one out: 2, 92, 43, 67? (a) 2 (b) 92 (c) 43 (d) 67
  9. 9.Which number is the odd one out: 53, 45, 30, 90? (a) 53 (b) 45 (c) 30 (d) 90
  10. 10.Which number is the odd one out: 70, 8, 32, 40? (a) 70 (b) 8 (c) 32 (d) 40
  11. 11.Which number is the odd one out: 17, 21, 41, 67? (a) 17 (b) 21 (c) 41 (d) 67
  12. 12.Which number is the odd one out: 88, 32, 24, 90? (a) 88 (b) 32 (c) 24 (d) 90
  13. 13.Which number is the odd one out: 2, 12, 61, 41? (a) 2 (b) 12 (c) 61 (d) 41
  14. 14.Which number is the odd one out: 53, 46, 41, 37? (a) 53 (b) 46 (c) 41 (d) 37
  15. 15.Which number is the odd one out: 5, 67, 95, 83? (a) 5 (b) 67 (c) 95 (d) 83
  16. 16.Which number is the odd one out: 82, 59, 2, 11? (a) 82 (b) 59 (c) 2 (d) 11
  17. 17.Which number is the odd one out: 60, 5, 61, 2? (a) 60 (b) 5 (c) 61 (d) 2
  18. 18.Which number is the odd one out: 13, 59, 10, 73? (a) 13 (b) 59 (c) 10 (d) 73
  19. 19.Which number is the odd one out: 41, 47, 48, 3? (a) 41 (b) 47 (c) 48 (d) 3
  20. 20.Which number is the odd one out: 14, 37, 23, 79? (a) 14 (b) 37 (c) 23 (d) 79
  21. 21.Which number is the odd one out: 11, 13, 10, 61? (a) 11 (b) 13 (c) 10 (d) 61
  22. 22.Which number is the odd one out: 67, 51, 59, 53? (a) 67 (b) 51 (c) 59 (d) 53
  23. 23.Which number is the odd one out: 94, 2, 82, 19? (a) 94 (b) 2 (c) 82 (d) 19
  24. 24.Which number is the odd one out: 75, 5, 97, 19? (a) 75 (b) 5 (c) 97 (d) 19
  25. 25.Which number is the odd one out: 19, 73, 83, 78? (a) 19 (b) 73 (c) 83 (d) 78
  26. 26.Which number is the odd one out: 41, 29, 61, 28? (a) 41 (b) 29 (c) 61 (d) 28
  27. 27.Which number is the odd one out: 37, 29, 62, 53? (a) 37 (b) 29 (c) 62 (d) 53
  28. 28.Which number is the odd one out: 11, 31, 73, 46? (a) 11 (b) 31 (c) 73 (d) 46
  29. 29.Which number is the odd one out: 48, 3, 17, 43? (a) 48 (b) 3 (c) 17 (d) 43
  30. 30.Which number is the odd one out: 31, 71, 41, 49? (a) 31 (b) 71 (c) 41 (d) 49
  31. 31.Which number is the odd one out: 79, 23, 28, 7? (a) 79 (b) 23 (c) 28 (d) 7
  32. 32.Which number is the odd one out: 13, 96, 73, 71? (a) 13 (b) 96 (c) 73 (d) 71
  33. 33.Which number is the odd one out: 43, 11, 76, 97? (a) 43 (b) 11 (c) 76 (d) 97
  34. 34.Which number is the odd one out: 16, 64, 83, 74? (a) 16 (b) 64 (c) 83 (d) 74
  35. 35.Which number is the odd one out: 53, 67, 55, 37? (a) 53 (b) 67 (c) 55 (d) 37
  36. 36.Which number is the odd one out: 11, 43, 79, 84? (a) 11 (b) 43 (c) 79 (d) 84
  37. 37.Which number is the odd one out: 33, 59, 3, 73? (a) 33 (b) 59 (c) 3 (d) 73
  38. 38.Which number is the odd one out: 73, 97, 23, 36? (a) 73 (b) 97 (c) 23 (d) 36
  39. 39.Which number is the odd one out: 14, 96, 42, 56? (a) 14 (b) 96 (c) 42 (d) 56
  40. 40.Which number is the odd one out: 11, 25, 53, 17? (a) 11 (b) 25 (c) 53 (d) 17

Answer key

  1. 38
  2. 24
  3. 10
  4. 28
  5. 70
  6. 8
  7. 91
  8. 92
  9. 53
  10. 70
  11. 21
  12. 90
  13. 12
  14. 46
  15. 95
  16. 82
  17. 60
  18. 10
  19. 48
  20. 14
  21. 10
  22. 51
  23. 19
  24. 75
  25. 78
  26. 28
  27. 62
  28. 46
  29. 48
  30. 49
  31. 28
  32. 96
  33. 76
  34. 83
  35. 55
  36. 84
  37. 33
  38. 36
  39. 96
  40. 25

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