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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 143 · 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: 60, 31, 2, 71? (a) 60 (b) 31 (c) 2 (d) 71
  2. 2.Which number is the odd one out: 85, 65, 50, 55? (a) 85 (b) 65 (c) 50 (d) 55
  3. 3.Which number is the odd one out: 24, 13, 72, 54? (a) 24 (b) 13 (c) 72 (d) 54
  4. 4.Which number is the odd one out: 69, 33, 26, 39? (a) 69 (b) 33 (c) 26 (d) 39
  5. 5.Which number is the odd one out: 67, 17, 74, 29? (a) 67 (b) 17 (c) 74 (d) 29
  6. 6.Which number is the odd one out: 44, 60, 17, 30? (a) 44 (b) 60 (c) 17 (d) 30
  7. 7.Which number is the odd one out: 4, 47, 67, 61? (a) 4 (b) 47 (c) 67 (d) 61
  8. 8.Which number is the odd one out: 76, 65, 38, 52? (a) 76 (b) 65 (c) 38 (d) 52
  9. 9.Which number is the odd one out: 3, 96, 23, 97? (a) 3 (b) 96 (c) 23 (d) 97
  10. 10.Which number is the odd one out: 81, 46, 92, 44? (a) 81 (b) 46 (c) 92 (d) 44
  11. 11.Which number is the odd one out: 68, 76, 74, 19? (a) 68 (b) 76 (c) 74 (d) 19
  12. 12.Which number is the odd one out: 23, 88, 8, 44? (a) 23 (b) 88 (c) 8 (d) 44
  13. 13.Which number is the odd one out: 91, 59, 67, 71? (a) 91 (b) 59 (c) 67 (d) 71
  14. 14.Which number is the odd one out: 24, 25, 96, 64? (a) 24 (b) 25 (c) 96 (d) 64
  15. 15.Which number is the odd one out: 8, 98, 48, 24? (a) 8 (b) 98 (c) 48 (d) 24
  16. 16.Which number is the odd one out: 72, 18, 62, 48? (a) 72 (b) 18 (c) 62 (d) 48
  17. 17.Which number is the odd one out: 17, 32, 48, 24? (a) 17 (b) 32 (c) 48 (d) 24
  18. 18.Which number is the odd one out: 79, 59, 65, 97? (a) 79 (b) 59 (c) 65 (d) 97
  19. 19.Which number is the odd one out: 93, 47, 11, 79? (a) 93 (b) 47 (c) 11 (d) 79
  20. 20.Which number is the odd one out: 90, 71, 85, 19? (a) 90 (b) 71 (c) 85 (d) 19
  21. 21.Which number is the odd one out: 23, 17, 11, 57? (a) 23 (b) 17 (c) 11 (d) 57
  22. 22.Which number is the odd one out: 87, 41, 43, 83? (a) 87 (b) 41 (c) 43 (d) 83
  23. 23.Which number is the odd one out: 83, 3, 81, 41? (a) 83 (b) 3 (c) 81 (d) 41
  24. 24.Which number is the odd one out: 23, 85, 5, 47? (a) 23 (b) 85 (c) 5 (d) 47
  25. 25.Which number is the odd one out: 18, 4, 11, 36? (a) 18 (b) 4 (c) 11 (d) 36
  26. 26.Which number is the odd one out: 62, 19, 41, 73? (a) 62 (b) 19 (c) 41 (d) 73
  27. 27.Which number is the odd one out: 2, 30, 43, 13? (a) 2 (b) 30 (c) 43 (d) 13
  28. 28.Which number is the odd one out: 23, 17, 50, 61? (a) 23 (b) 17 (c) 50 (d) 61
  29. 29.Which number is the odd one out: 64, 71, 47, 13? (a) 64 (b) 71 (c) 47 (d) 13
  30. 30.Which number is the odd one out: 3, 41, 39, 26? (a) 3 (b) 41 (c) 39 (d) 26
  31. 31.Which number is the odd one out: 24, 96, 55, 8? (a) 24 (b) 96 (c) 55 (d) 8
  32. 32.Which number is the odd one out: 71, 32, 61, 59? (a) 71 (b) 32 (c) 61 (d) 59
  33. 33.Which number is the odd one out: 16, 17, 79, 83? (a) 16 (b) 17 (c) 79 (d) 83
  34. 34.Which number is the odd one out: 97, 71, 14, 67? (a) 97 (b) 71 (c) 14 (d) 67
  35. 35.Which number is the odd one out: 67, 9, 59, 23? (a) 67 (b) 9 (c) 59 (d) 23
  36. 36.Which number is the odd one out: 73, 32, 17, 2? (a) 73 (b) 32 (c) 17 (d) 2
  37. 37.Which number is the odd one out: 11, 67, 15, 79? (a) 11 (b) 67 (c) 15 (d) 79
  38. 38.Which number is the odd one out: 45, 25, 9, 99? (a) 45 (b) 25 (c) 9 (d) 99
  39. 39.Which number is the odd one out: 48, 53, 37, 19? (a) 48 (b) 53 (c) 37 (d) 19
  40. 40.Which number is the odd one out: 59, 6, 3, 2? (a) 59 (b) 6 (c) 3 (d) 2

Answer key

  1. 60
  2. 50
  3. 13
  4. 26
  5. 74
  6. 17
  7. 4
  8. 65
  9. 96
  10. 81
  11. 19
  12. 23
  13. 91
  14. 25
  15. 98
  16. 62
  17. 17
  18. 65
  19. 93
  20. 90
  21. 57
  22. 87
  23. 81
  24. 85
  25. 11
  26. 62
  27. 30
  28. 50
  29. 64
  30. 26
  31. 55
  32. 32
  33. 16
  34. 14
  35. 9
  36. 32
  37. 15
  38. 25
  39. 48
  40. 6

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