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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 894 · 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: 61, 83, 13, 24? (a) 61 (b) 83 (c) 13 (d) 24
  2. 2.Which number is the odd one out: 11, 3, 48, 73? (a) 11 (b) 3 (c) 48 (d) 73
  3. 3.Which number is the odd one out: 18, 24, 8, 54? (a) 18 (b) 24 (c) 8 (d) 54
  4. 4.Which number is the odd one out: 4, 71, 2, 59? (a) 4 (b) 71 (c) 2 (d) 59
  5. 5.Which number is the odd one out: 64, 8, 90, 16? (a) 64 (b) 8 (c) 90 (d) 16
  6. 6.Which number is the odd one out: 71, 17, 84, 59? (a) 71 (b) 17 (c) 84 (d) 59
  7. 7.Which number is the odd one out: 43, 37, 13, 81? (a) 43 (b) 37 (c) 13 (d) 81
  8. 8.Which number is the odd one out: 93, 66, 83, 97? (a) 93 (b) 66 (c) 83 (d) 97
  9. 9.Which number is the odd one out: 3, 99, 73, 89? (a) 3 (b) 99 (c) 73 (d) 89
  10. 10.Which number is the odd one out: 41, 61, 94, 17? (a) 41 (b) 61 (c) 94 (d) 17
  11. 11.Which number is the odd one out: 51, 3, 93, 67? (a) 51 (b) 3 (c) 93 (d) 67
  12. 12.Which number is the odd one out: 47, 58, 97, 89? (a) 47 (b) 58 (c) 97 (d) 89
  13. 13.Which number is the odd one out: 81, 99, 16, 27? (a) 81 (b) 99 (c) 16 (d) 27
  14. 14.Which number is the odd one out: 29, 71, 97, 10? (a) 29 (b) 71 (c) 97 (d) 10
  15. 15.Which number is the odd one out: 4, 17, 41, 2? (a) 4 (b) 17 (c) 41 (d) 2
  16. 16.Which number is the odd one out: 5, 96, 24, 48? (a) 5 (b) 96 (c) 24 (d) 48
  17. 17.Which number is the odd one out: 41, 97, 53, 87? (a) 41 (b) 97 (c) 53 (d) 87
  18. 18.Which number is the odd one out: 43, 19, 37, 32? (a) 43 (b) 19 (c) 37 (d) 32
  19. 19.Which number is the odd one out: 91, 48, 56, 21? (a) 91 (b) 48 (c) 56 (d) 21
  20. 20.Which number is the odd one out: 9, 99, 81, 10? (a) 9 (b) 99 (c) 81 (d) 10
  21. 21.Which number is the odd one out: 24, 89, 11, 71? (a) 24 (b) 89 (c) 11 (d) 71
  22. 22.Which number is the odd one out: 29, 17, 37, 39? (a) 29 (b) 17 (c) 37 (d) 39
  23. 23.Which number is the odd one out: 18, 71, 63, 42? (a) 18 (b) 71 (c) 63 (d) 42
  24. 24.Which number is the odd one out: 38, 17, 19, 73? (a) 38 (b) 17 (c) 19 (d) 73
  25. 25.Which number is the odd one out: 4, 12, 16, 64? (a) 4 (b) 12 (c) 16 (d) 64
  26. 26.Which number is the odd one out: 12, 47, 79, 61? (a) 12 (b) 47 (c) 79 (d) 61
  27. 27.Which number is the odd one out: 3, 45, 61, 31? (a) 3 (b) 45 (c) 61 (d) 31
  28. 28.Which number is the odd one out: 41, 95, 29, 43? (a) 41 (b) 95 (c) 29 (d) 43
  29. 29.Which number is the odd one out: 59, 82, 29, 97? (a) 59 (b) 82 (c) 29 (d) 97
  30. 30.Which number is the odd one out: 84, 29, 5, 95? (a) 84 (b) 29 (c) 5 (d) 95
  31. 31.Which number is the odd one out: 83, 47, 73, 98? (a) 83 (b) 47 (c) 73 (d) 98
  32. 32.Which number is the odd one out: 2, 24, 13, 19? (a) 2 (b) 24 (c) 13 (d) 19
  33. 33.Which number is the odd one out: 34, 97, 2, 59? (a) 34 (b) 97 (c) 2 (d) 59
  34. 34.Which number is the odd one out: 17, 46, 29, 71? (a) 17 (b) 46 (c) 29 (d) 71
  35. 35.Which number is the odd one out: 98, 71, 73, 13? (a) 98 (b) 71 (c) 73 (d) 13
  36. 36.Which number is the odd one out: 9, 56, 16, 81? (a) 9 (b) 56 (c) 16 (d) 81
  37. 37.Which number is the odd one out: 7, 89, 67, 63? (a) 7 (b) 89 (c) 67 (d) 63
  38. 38.Which number is the odd one out: 83, 3, 13, 45? (a) 83 (b) 3 (c) 13 (d) 45
  39. 39.Which number is the odd one out: 62, 64, 4, 16? (a) 62 (b) 64 (c) 4 (d) 16
  40. 40.Which number is the odd one out: 41, 12, 17, 13? (a) 41 (b) 12 (c) 17 (d) 13

Answer key

  1. 24
  2. 48
  3. 8
  4. 4
  5. 90
  6. 84
  7. 81
  8. 66
  9. 99
  10. 94
  11. 67
  12. 58
  13. 16
  14. 10
  15. 4
  16. 5
  17. 87
  18. 32
  19. 48
  20. 10
  21. 24
  22. 39
  23. 71
  24. 38
  25. 12
  26. 12
  27. 45
  28. 95
  29. 82
  30. 84
  31. 98
  32. 24
  33. 34
  34. 46
  35. 98
  36. 56
  37. 63
  38. 45
  39. 62
  40. 12

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