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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 673 · 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: 66, 24, 69, 48? (a) 66 (b) 24 (c) 69 (d) 48
  2. 2.Which number is the odd one out: 77, 84, 12, 6? (a) 77 (b) 84 (c) 12 (d) 6
  3. 3.Which number is the odd one out: 53, 71, 33, 29? (a) 53 (b) 71 (c) 33 (d) 29
  4. 4.Which number is the odd one out: 24, 43, 96, 8? (a) 24 (b) 43 (c) 96 (d) 8
  5. 5.Which number is the odd one out: 80, 36, 40, 24? (a) 80 (b) 36 (c) 40 (d) 24
  6. 6.Which number is the odd one out: 84, 5, 67, 65? (a) 84 (b) 5 (c) 67 (d) 65
  7. 7.Which number is the odd one out: 37, 47, 46, 2? (a) 37 (b) 47 (c) 46 (d) 2
  8. 8.Which number is the odd one out: 19, 8, 17, 79? (a) 19 (b) 8 (c) 17 (d) 79
  9. 9.Which number is the odd one out: 3, 60, 31, 47? (a) 3 (b) 60 (c) 31 (d) 47
  10. 10.Which number is the odd one out: 89, 97, 53, 12? (a) 89 (b) 97 (c) 53 (d) 12
  11. 11.Which number is the odd one out: 24, 48, 96, 52? (a) 24 (b) 48 (c) 96 (d) 52
  12. 12.Which number is the odd one out: 40, 88, 32, 70? (a) 40 (b) 88 (c) 32 (d) 70
  13. 13.Which number is the odd one out: 98, 83, 2, 14? (a) 98 (b) 83 (c) 2 (d) 14
  14. 14.Which number is the odd one out: 19, 89, 13, 38? (a) 19 (b) 89 (c) 13 (d) 38
  15. 15.Which number is the odd one out: 3, 36, 89, 73? (a) 3 (b) 36 (c) 89 (d) 73
  16. 16.Which number is the odd one out: 73, 3, 30, 2? (a) 73 (b) 3 (c) 30 (d) 2
  17. 17.Which number is the odd one out: 23, 13, 42, 97? (a) 23 (b) 13 (c) 42 (d) 97
  18. 18.Which number is the odd one out: 15, 36, 35, 77? (a) 15 (b) 36 (c) 35 (d) 77
  19. 19.Which number is the odd one out: 59, 79, 45, 11? (a) 59 (b) 79 (c) 45 (d) 11
  20. 20.Which number is the odd one out: 11, 41, 37, 14? (a) 11 (b) 41 (c) 37 (d) 14
  21. 21.Which number is the odd one out: 85, 97, 61, 31? (a) 85 (b) 97 (c) 61 (d) 31
  22. 22.Which number is the odd one out: 77, 56, 64, 49? (a) 77 (b) 56 (c) 64 (d) 49
  23. 23.Which number is the odd one out: 66, 31, 79, 29? (a) 66 (b) 31 (c) 79 (d) 29
  24. 24.Which number is the odd one out: 97, 82, 17, 41? (a) 97 (b) 82 (c) 17 (d) 41
  25. 25.Which number is the odd one out: 16, 88, 96, 36? (a) 16 (b) 88 (c) 96 (d) 36
  26. 26.Which number is the odd one out: 79, 20, 97, 11? (a) 79 (b) 20 (c) 97 (d) 11
  27. 27.Which number is the odd one out: 64, 97, 13, 17? (a) 64 (b) 97 (c) 13 (d) 17
  28. 28.Which number is the odd one out: 83, 79, 19, 57? (a) 83 (b) 79 (c) 19 (d) 57
  29. 29.Which number is the odd one out: 91, 42, 18, 77? (a) 91 (b) 42 (c) 18 (d) 77
  30. 30.Which number is the odd one out: 42, 6, 66, 63? (a) 42 (b) 6 (c) 66 (d) 63
  31. 31.Which number is the odd one out: 81, 17, 43, 29? (a) 81 (b) 17 (c) 43 (d) 29
  32. 32.Which number is the odd one out: 10, 65, 67, 37? (a) 10 (b) 65 (c) 67 (d) 37
  33. 33.Which number is the odd one out: 73, 11, 71, 84? (a) 73 (b) 11 (c) 71 (d) 84
  34. 34.Which number is the odd one out: 63, 18, 42, 27? (a) 63 (b) 18 (c) 42 (d) 27
  35. 35.Which number is the odd one out: 83, 15, 5, 97? (a) 83 (b) 15 (c) 5 (d) 97
  36. 36.Which number is the odd one out: 11, 3, 84, 73? (a) 11 (b) 3 (c) 84 (d) 73
  37. 37.Which number is the odd one out: 77, 43, 71, 17? (a) 77 (b) 43 (c) 71 (d) 17
  38. 38.Which number is the odd one out: 3, 96, 24, 48? (a) 3 (b) 96 (c) 24 (d) 48
  39. 39.Which number is the odd one out: 19, 22, 23, 53? (a) 19 (b) 22 (c) 23 (d) 53
  40. 40.Which number is the odd one out: 53, 67, 52, 17? (a) 53 (b) 67 (c) 52 (d) 17

Answer key

  1. 69
  2. 77
  3. 33
  4. 43
  5. 36
  6. 84
  7. 46
  8. 8
  9. 60
  10. 12
  11. 52
  12. 70
  13. 83
  14. 38
  15. 36
  16. 30
  17. 42
  18. 36
  19. 45
  20. 14
  21. 85
  22. 64
  23. 66
  24. 82
  25. 36
  26. 20
  27. 64
  28. 57
  29. 18
  30. 63
  31. 81
  32. 10
  33. 84
  34. 42
  35. 15
  36. 84
  37. 77
  38. 3
  39. 22
  40. 52

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