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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 8 · 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: 41, 2, 88, 13? (a) 41 (b) 2 (c) 88 (d) 13
  2. 2.Which number is the odd one out: 6, 48, 40, 66? (a) 6 (b) 48 (c) 40 (d) 66
  3. 3.Which number is the odd one out: 48, 99, 36, 9? (a) 48 (b) 99 (c) 36 (d) 9
  4. 4.Which number is the odd one out: 79, 8, 23, 41? (a) 79 (b) 8 (c) 23 (d) 41
  5. 5.Which number is the odd one out: 19, 53, 59, 62? (a) 19 (b) 53 (c) 59 (d) 62
  6. 6.Which number is the odd one out: 81, 36, 48, 9? (a) 81 (b) 36 (c) 48 (d) 9
  7. 7.Which number is the odd one out: 71, 23, 67, 72? (a) 71 (b) 23 (c) 67 (d) 72
  8. 8.Which number is the odd one out: 59, 29, 13, 22? (a) 59 (b) 29 (c) 13 (d) 22
  9. 9.Which number is the odd one out: 49, 21, 36, 14? (a) 49 (b) 21 (c) 36 (d) 14
  10. 10.Which number is the odd one out: 79, 59, 19, 66? (a) 79 (b) 59 (c) 19 (d) 66
  11. 11.Which number is the odd one out: 53, 83, 60, 17? (a) 53 (b) 83 (c) 60 (d) 17
  12. 12.Which number is the odd one out: 13, 61, 74, 67? (a) 13 (b) 61 (c) 74 (d) 67
  13. 13.Which number is the odd one out: 73, 13, 23, 69? (a) 73 (b) 13 (c) 23 (d) 69
  14. 14.Which number is the odd one out: 11, 3, 19, 24? (a) 11 (b) 3 (c) 19 (d) 24
  15. 15.Which number is the odd one out: 23, 41, 5, 10? (a) 23 (b) 41 (c) 5 (d) 10
  16. 16.Which number is the odd one out: 47, 97, 25, 53? (a) 47 (b) 97 (c) 25 (d) 53
  17. 17.Which number is the odd one out: 16, 20, 95, 65? (a) 16 (b) 20 (c) 95 (d) 65
  18. 18.Which number is the odd one out: 19, 94, 17, 79? (a) 19 (b) 94 (c) 17 (d) 79
  19. 19.Which number is the odd one out: 43, 47, 7, 70? (a) 43 (b) 47 (c) 7 (d) 70
  20. 20.Which number is the odd one out: 70, 72, 15, 35? (a) 70 (b) 72 (c) 15 (d) 35
  21. 21.Which number is the odd one out: 23, 29, 64, 73? (a) 23 (b) 29 (c) 64 (d) 73
  22. 22.Which number is the odd one out: 36, 11, 13, 43? (a) 36 (b) 11 (c) 13 (d) 43
  23. 23.Which number is the odd one out: 97, 71, 80, 79? (a) 97 (b) 71 (c) 80 (d) 79
  24. 24.Which number is the odd one out: 72, 18, 64, 54? (a) 72 (b) 18 (c) 64 (d) 54
  25. 25.Which number is the odd one out: 35, 79, 23, 73? (a) 35 (b) 79 (c) 23 (d) 73
  26. 26.Which number is the odd one out: 59, 3, 90, 11? (a) 59 (b) 3 (c) 90 (d) 11
  27. 27.Which number is the odd one out: 79, 31, 29, 88? (a) 79 (b) 31 (c) 29 (d) 88
  28. 28.Which number is the odd one out: 92, 76, 44, 53? (a) 92 (b) 76 (c) 44 (d) 53
  29. 29.Which number is the odd one out: 8, 64, 16, 2? (a) 8 (b) 64 (c) 16 (d) 2
  30. 30.Which number is the odd one out: 17, 95, 89, 79? (a) 17 (b) 95 (c) 89 (d) 79
  31. 31.Which number is the odd one out: 90, 19, 79, 13? (a) 90 (b) 19 (c) 79 (d) 13
  32. 32.Which number is the odd one out: 79, 41, 29, 99? (a) 79 (b) 41 (c) 29 (d) 99
  33. 33.Which number is the odd one out: 38, 31, 43, 41? (a) 38 (b) 31 (c) 43 (d) 41
  34. 34.Which number is the odd one out: 70, 32, 8, 40? (a) 70 (b) 32 (c) 8 (d) 40
  35. 35.Which number is the odd one out: 97, 59, 61, 81? (a) 97 (b) 59 (c) 61 (d) 81
  36. 36.Which number is the odd one out: 69, 4, 16, 64? (a) 69 (b) 4 (c) 16 (d) 64
  37. 37.Which number is the odd one out: 73, 97, 16, 17? (a) 73 (b) 97 (c) 16 (d) 17
  38. 38.Which number is the odd one out: 63, 83, 59, 97? (a) 63 (b) 83 (c) 59 (d) 97
  39. 39.Which number is the odd one out: 96, 4, 32, 48? (a) 96 (b) 4 (c) 32 (d) 48
  40. 40.Which number is the odd one out: 71, 43, 6, 37? (a) 71 (b) 43 (c) 6 (d) 37

Answer key

  1. 88
  2. 40
  3. 48
  4. 8
  5. 62
  6. 48
  7. 72
  8. 22
  9. 36
  10. 66
  11. 60
  12. 74
  13. 69
  14. 24
  15. 10
  16. 25
  17. 16
  18. 94
  19. 70
  20. 72
  21. 64
  22. 36
  23. 80
  24. 64
  25. 35
  26. 90
  27. 88
  28. 53
  29. 2
  30. 95
  31. 90
  32. 99
  33. 38
  34. 70
  35. 81
  36. 69
  37. 16
  38. 63
  39. 4
  40. 6

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