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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 796 · 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: 43, 60, 53, 83? (a) 43 (b) 60 (c) 53 (d) 83
  2. 2.Which number is the odd one out: 53, 43, 26, 59? (a) 53 (b) 43 (c) 26 (d) 59
  3. 3.Which number is the odd one out: 81, 9, 99, 52? (a) 81 (b) 9 (c) 99 (d) 52
  4. 4.Which number is the odd one out: 90, 53, 37, 59? (a) 90 (b) 53 (c) 37 (d) 59
  5. 5.Which number is the odd one out: 32, 7, 16, 64? (a) 32 (b) 7 (c) 16 (d) 64
  6. 6.Which number is the odd one out: 65, 5, 19, 24? (a) 65 (b) 5 (c) 19 (d) 24
  7. 7.Which number is the odd one out: 74, 47, 41, 89? (a) 74 (b) 47 (c) 41 (d) 89
  8. 8.Which number is the odd one out: 67, 31, 73, 82? (a) 67 (b) 31 (c) 73 (d) 82
  9. 9.Which number is the odd one out: 35, 70, 98, 51? (a) 35 (b) 70 (c) 98 (d) 51
  10. 10.Which number is the odd one out: 25, 24, 93, 48? (a) 25 (b) 24 (c) 93 (d) 48
  11. 11.Which number is the odd one out: 8, 12, 98, 24? (a) 8 (b) 12 (c) 98 (d) 24
  12. 12.Which number is the odd one out: 52, 59, 83, 53? (a) 52 (b) 59 (c) 83 (d) 53
  13. 13.Which number is the odd one out: 43, 7, 14, 2? (a) 43 (b) 7 (c) 14 (d) 2
  14. 14.Which number is the odd one out: 17, 80, 20, 8? (a) 17 (b) 80 (c) 20 (d) 8
  15. 15.Which number is the odd one out: 47, 73, 76, 19? (a) 47 (b) 73 (c) 76 (d) 19
  16. 16.Which number is the odd one out: 43, 71, 84, 47? (a) 43 (b) 71 (c) 84 (d) 47
  17. 17.Which number is the odd one out: 2, 59, 68, 67? (a) 2 (b) 59 (c) 68 (d) 67
  18. 18.Which number is the odd one out: 41, 83, 32, 31? (a) 41 (b) 83 (c) 32 (d) 31
  19. 19.Which number is the odd one out: 34, 46, 98, 49? (a) 34 (b) 46 (c) 98 (d) 49
  20. 20.Which number is the odd one out: 64, 41, 13, 73? (a) 64 (b) 41 (c) 13 (d) 73
  21. 21.Which number is the odd one out: 17, 37, 47, 66? (a) 17 (b) 37 (c) 47 (d) 66
  22. 22.Which number is the odd one out: 37, 20, 19, 95? (a) 37 (b) 20 (c) 19 (d) 95
  23. 23.Which number is the odd one out: 83, 10, 11, 59? (a) 83 (b) 10 (c) 11 (d) 59
  24. 24.Which number is the odd one out: 86, 59, 83, 97? (a) 86 (b) 59 (c) 83 (d) 97
  25. 25.Which number is the odd one out: 35, 13, 29, 79? (a) 35 (b) 13 (c) 29 (d) 79
  26. 26.Which number is the odd one out: 4, 18, 78, 36? (a) 4 (b) 18 (c) 78 (d) 36
  27. 27.Which number is the odd one out: 31, 67, 19, 48? (a) 31 (b) 67 (c) 19 (d) 48
  28. 28.Which number is the odd one out: 83, 52, 47, 61? (a) 83 (b) 52 (c) 47 (d) 61
  29. 29.Which number is the odd one out: 8, 24, 48, 94? (a) 8 (b) 24 (c) 48 (d) 94
  30. 30.Which number is the odd one out: 22, 20, 60, 30? (a) 22 (b) 20 (c) 60 (d) 30
  31. 31.Which number is the odd one out: 79, 62, 37, 61? (a) 79 (b) 62 (c) 37 (d) 61
  32. 32.Which number is the odd one out: 37, 67, 17, 39? (a) 37 (b) 67 (c) 17 (d) 39
  33. 33.Which number is the odd one out: 84, 31, 5, 65? (a) 84 (b) 31 (c) 5 (d) 65
  34. 34.Which number is the odd one out: 29, 37, 19, 30? (a) 29 (b) 37 (c) 19 (d) 30
  35. 35.Which number is the odd one out: 69, 3, 2, 33? (a) 69 (b) 3 (c) 2 (d) 33
  36. 36.Which number is the odd one out: 73, 61, 88, 13? (a) 73 (b) 61 (c) 88 (d) 13
  37. 37.Which number is the odd one out: 11, 57, 61, 13? (a) 11 (b) 57 (c) 61 (d) 13
  38. 38.Which number is the odd one out: 52, 17, 41, 59? (a) 52 (b) 17 (c) 41 (d) 59
  39. 39.Which number is the odd one out: 71, 53, 21, 89? (a) 71 (b) 53 (c) 21 (d) 89
  40. 40.Which number is the odd one out: 29, 19, 45, 43? (a) 29 (b) 19 (c) 45 (d) 43

Answer key

  1. 60
  2. 26
  3. 52
  4. 90
  5. 7
  6. 24
  7. 74
  8. 82
  9. 51
  10. 25
  11. 98
  12. 52
  13. 14
  14. 17
  15. 76
  16. 84
  17. 68
  18. 32
  19. 49
  20. 64
  21. 66
  22. 20
  23. 10
  24. 86
  25. 35
  26. 4
  27. 48
  28. 52
  29. 94
  30. 22
  31. 62
  32. 39
  33. 84
  34. 30
  35. 2
  36. 88
  37. 57
  38. 52
  39. 21
  40. 45

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