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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 428 · 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, 59, 35, 47? (a) 41 (b) 59 (c) 35 (d) 47
  2. 2.Which number is the odd one out: 96, 30, 64, 16? (a) 96 (b) 30 (c) 64 (d) 16
  3. 3.Which number is the odd one out: 69, 99, 81, 9? (a) 69 (b) 99 (c) 81 (d) 9
  4. 4.Which number is the odd one out: 48, 24, 41, 96? (a) 48 (b) 24 (c) 41 (d) 96
  5. 5.Which number is the odd one out: 8, 93, 85, 75? (a) 8 (b) 93 (c) 85 (d) 75
  6. 6.Which number is the odd one out: 80, 20, 96, 54? (a) 80 (b) 20 (c) 96 (d) 54
  7. 7.Which number is the odd one out: 83, 10, 59, 85? (a) 83 (b) 10 (c) 59 (d) 85
  8. 8.Which number is the odd one out: 67, 96, 24, 88? (a) 67 (b) 96 (c) 24 (d) 88
  9. 9.Which number is the odd one out: 62, 29, 31, 71? (a) 62 (b) 29 (c) 31 (d) 71
  10. 10.Which number is the odd one out: 2, 53, 68, 89? (a) 2 (b) 53 (c) 68 (d) 89
  11. 11.Which number is the odd one out: 47, 30, 97, 51? (a) 47 (b) 30 (c) 97 (d) 51
  12. 12.Which number is the odd one out: 13, 58, 41, 47? (a) 13 (b) 58 (c) 41 (d) 47
  13. 13.Which number is the odd one out: 35, 74, 54, 90? (a) 35 (b) 74 (c) 54 (d) 90
  14. 14.Which number is the odd one out: 91, 63, 36, 98? (a) 91 (b) 63 (c) 36 (d) 98
  15. 15.Which number is the odd one out: 21, 97, 27, 63? (a) 21 (b) 97 (c) 27 (d) 63
  16. 16.Which number is the odd one out: 53, 11, 15, 89? (a) 53 (b) 11 (c) 15 (d) 89
  17. 17.Which number is the odd one out: 44, 14, 28, 98? (a) 44 (b) 14 (c) 28 (d) 98
  18. 18.Which number is the odd one out: 43, 67, 19, 24? (a) 43 (b) 67 (c) 19 (d) 24
  19. 19.Which number is the odd one out: 13, 43, 42, 17? (a) 13 (b) 43 (c) 42 (d) 17
  20. 20.Which number is the odd one out: 70, 2, 73, 47? (a) 70 (b) 2 (c) 73 (d) 47
  21. 21.Which number is the odd one out: 97, 89, 62, 41? (a) 97 (b) 89 (c) 62 (d) 41
  22. 22.Which number is the odd one out: 21, 98, 45, 14? (a) 21 (b) 98 (c) 45 (d) 14
  23. 23.Which number is the odd one out: 53, 19, 31, 50? (a) 53 (b) 19 (c) 31 (d) 50
  24. 24.Which number is the odd one out: 75, 10, 15, 16? (a) 75 (b) 10 (c) 15 (d) 16
  25. 25.Which number is the odd one out: 79, 43, 97, 80? (a) 79 (b) 43 (c) 97 (d) 80
  26. 26.Which number is the odd one out: 56, 23, 59, 19? (a) 56 (b) 23 (c) 59 (d) 19
  27. 27.Which number is the odd one out: 51, 81, 9, 31? (a) 51 (b) 81 (c) 9 (d) 31
  28. 28.Which number is the odd one out: 47, 94, 43, 19? (a) 47 (b) 94 (c) 43 (d) 19
  29. 29.Which number is the odd one out: 29, 3, 61, 36? (a) 29 (b) 3 (c) 61 (d) 36
  30. 30.Which number is the odd one out: 45, 27, 15, 99? (a) 45 (b) 27 (c) 15 (d) 99
  31. 31.Which number is the odd one out: 18, 6, 27, 59? (a) 18 (b) 6 (c) 27 (d) 59
  32. 32.Which number is the odd one out: 47, 67, 73, 54? (a) 47 (b) 67 (c) 73 (d) 54
  33. 33.Which number is the odd one out: 33, 51, 39, 97? (a) 33 (b) 51 (c) 39 (d) 97
  34. 34.Which number is the odd one out: 43, 96, 88, 48? (a) 43 (b) 96 (c) 88 (d) 48
  35. 35.Which number is the odd one out: 55, 31, 17, 73? (a) 55 (b) 31 (c) 17 (d) 73
  36. 36.Which number is the odd one out: 67, 79, 83, 93? (a) 67 (b) 79 (c) 83 (d) 93
  37. 37.Which number is the odd one out: 88, 8, 82, 32? (a) 88 (b) 8 (c) 82 (d) 32
  38. 38.Which number is the odd one out: 2, 31, 70, 43? (a) 2 (b) 31 (c) 70 (d) 43
  39. 39.Which number is the odd one out: 17, 58, 19, 31? (a) 17 (b) 58 (c) 19 (d) 31
  40. 40.Which number is the odd one out: 42, 20, 60, 50? (a) 42 (b) 20 (c) 60 (d) 50

Answer key

  1. 35
  2. 30
  3. 69
  4. 41
  5. 8
  6. 54
  7. 10
  8. 67
  9. 62
  10. 68
  11. 30
  12. 58
  13. 35
  14. 36
  15. 97
  16. 15
  17. 44
  18. 24
  19. 42
  20. 70
  21. 62
  22. 45
  23. 50
  24. 16
  25. 80
  26. 56
  27. 31
  28. 94
  29. 36
  30. 15
  31. 59
  32. 54
  33. 97
  34. 43
  35. 55
  36. 93
  37. 82
  38. 70
  39. 58
  40. 42

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