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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 596 · 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: 48, 40, 96, 55? (a) 48 (b) 40 (c) 96 (d) 55
  2. 2.Which number is the odd one out: 99, 67, 79, 47? (a) 99 (b) 67 (c) 79 (d) 47
  3. 3.Which number is the odd one out: 2, 37, 8, 83? (a) 2 (b) 37 (c) 8 (d) 83
  4. 4.Which number is the odd one out: 74, 43, 47, 73? (a) 74 (b) 43 (c) 47 (d) 73
  5. 5.Which number is the odd one out: 61, 87, 83, 17? (a) 61 (b) 87 (c) 83 (d) 17
  6. 6.Which number is the odd one out: 73, 98, 77, 29? (a) 73 (b) 98 (c) 77 (d) 29
  7. 7.Which number is the odd one out: 89, 97, 11, 36? (a) 89 (b) 97 (c) 11 (d) 36
  8. 8.Which number is the odd one out: 81, 17, 97, 71? (a) 81 (b) 17 (c) 97 (d) 71
  9. 9.Which number is the odd one out: 2, 89, 43, 8? (a) 2 (b) 89 (c) 43 (d) 8
  10. 10.Which number is the odd one out: 28, 23, 67, 61? (a) 28 (b) 23 (c) 67 (d) 61
  11. 11.Which number is the odd one out: 41, 61, 33, 29? (a) 41 (b) 61 (c) 33 (d) 29
  12. 12.Which number is the odd one out: 67, 83, 34, 53? (a) 67 (b) 83 (c) 34 (d) 53
  13. 13.Which number is the odd one out: 57, 71, 36, 59? (a) 57 (b) 71 (c) 36 (d) 59
  14. 14.Which number is the odd one out: 25, 95, 65, 64? (a) 25 (b) 95 (c) 65 (d) 64
  15. 15.Which number is the odd one out: 13, 67, 80, 11? (a) 13 (b) 67 (c) 80 (d) 11
  16. 16.Which number is the odd one out: 47, 45, 71, 79? (a) 47 (b) 45 (c) 71 (d) 79
  17. 17.Which number is the odd one out: 24, 17, 8, 48? (a) 24 (b) 17 (c) 8 (d) 48
  18. 18.Which number is the odd one out: 36, 41, 53, 19? (a) 36 (b) 41 (c) 53 (d) 19
  19. 19.Which number is the odd one out: 13, 70, 17, 67? (a) 13 (b) 70 (c) 17 (d) 67
  20. 20.Which number is the odd one out: 61, 59, 28, 31? (a) 61 (b) 59 (c) 28 (d) 31
  21. 21.Which number is the odd one out: 59, 89, 47, 33? (a) 59 (b) 89 (c) 47 (d) 33
  22. 22.Which number is the odd one out: 64, 89, 59, 31? (a) 64 (b) 89 (c) 59 (d) 31
  23. 23.Which number is the odd one out: 16, 47, 2, 79? (a) 16 (b) 47 (c) 2 (d) 79
  24. 24.Which number is the odd one out: 76, 69, 46, 44? (a) 76 (b) 69 (c) 46 (d) 44
  25. 25.Which number is the odd one out: 53, 19, 2, 14? (a) 53 (b) 19 (c) 2 (d) 14
  26. 26.Which number is the odd one out: 30, 24, 80, 8? (a) 30 (b) 24 (c) 80 (d) 8
  27. 27.Which number is the odd one out: 89, 11, 59, 88? (a) 89 (b) 11 (c) 59 (d) 88
  28. 28.Which number is the odd one out: 95, 10, 65, 42? (a) 95 (b) 10 (c) 65 (d) 42
  29. 29.Which number is the odd one out: 8, 56, 24, 84? (a) 8 (b) 56 (c) 24 (d) 84
  30. 30.Which number is the odd one out: 53, 58, 37, 29? (a) 53 (b) 58 (c) 37 (d) 29
  31. 31.Which number is the odd one out: 33, 87, 80, 93? (a) 33 (b) 87 (c) 80 (d) 93
  32. 32.Which number is the odd one out: 17, 19, 8, 11? (a) 17 (b) 19 (c) 8 (d) 11
  33. 33.Which number is the odd one out: 23, 89, 2, 92? (a) 23 (b) 89 (c) 2 (d) 92
  34. 34.Which number is the odd one out: 9, 7, 99, 81? (a) 9 (b) 7 (c) 99 (d) 81
  35. 35.Which number is the odd one out: 43, 59, 67, 24? (a) 43 (b) 59 (c) 67 (d) 24
  36. 36.Which number is the odd one out: 36, 10, 25, 15? (a) 36 (b) 10 (c) 25 (d) 15
  37. 37.Which number is the odd one out: 68, 24, 22, 96? (a) 68 (b) 24 (c) 22 (d) 96
  38. 38.Which number is the odd one out: 86, 61, 65, 5? (a) 86 (b) 61 (c) 65 (d) 5
  39. 39.Which number is the odd one out: 61, 13, 41, 76? (a) 61 (b) 13 (c) 41 (d) 76
  40. 40.Which number is the odd one out: 21, 29, 37, 31? (a) 21 (b) 29 (c) 37 (d) 31

Answer key

  1. 55
  2. 99
  3. 8
  4. 74
  5. 87
  6. 98
  7. 36
  8. 81
  9. 8
  10. 28
  11. 33
  12. 34
  13. 36
  14. 64
  15. 80
  16. 45
  17. 17
  18. 36
  19. 70
  20. 28
  21. 33
  22. 64
  23. 16
  24. 69
  25. 14
  26. 30
  27. 88
  28. 42
  29. 84
  30. 58
  31. 80
  32. 8
  33. 92
  34. 7
  35. 24
  36. 36
  37. 22
  38. 86
  39. 76
  40. 21

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