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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 381 · 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, 32, 84, 42? (a) 66 (b) 32 (c) 84 (d) 42
  2. 2.Which number is the odd one out: 70, 80, 88, 28? (a) 70 (b) 80 (c) 88 (d) 28
  3. 3.Which number is the odd one out: 47, 59, 34, 13? (a) 47 (b) 59 (c) 34 (d) 13
  4. 4.Which number is the odd one out: 96, 6, 74, 24? (a) 96 (b) 6 (c) 74 (d) 24
  5. 5.Which number is the odd one out: 63, 12, 48, 72? (a) 63 (b) 12 (c) 48 (d) 72
  6. 6.Which number is the odd one out: 43, 60, 89, 17? (a) 43 (b) 60 (c) 89 (d) 17
  7. 7.Which number is the odd one out: 31, 40, 67, 97? (a) 31 (b) 40 (c) 67 (d) 97
  8. 8.Which number is the odd one out: 10, 73, 79, 59? (a) 10 (b) 73 (c) 79 (d) 59
  9. 9.Which number is the odd one out: 37, 61, 71, 95? (a) 37 (b) 61 (c) 71 (d) 95
  10. 10.Which number is the odd one out: 24, 25, 64, 96? (a) 24 (b) 25 (c) 64 (d) 96
  11. 11.Which number is the odd one out: 47, 36, 61, 31? (a) 47 (b) 36 (c) 61 (d) 31
  12. 12.Which number is the odd one out: 33, 70, 57, 75? (a) 33 (b) 70 (c) 57 (d) 75
  13. 13.Which number is the odd one out: 83, 4, 43, 41? (a) 83 (b) 4 (c) 43 (d) 41
  14. 14.Which number is the odd one out: 39, 60, 73, 89? (a) 39 (b) 60 (c) 73 (d) 89
  15. 15.Which number is the odd one out: 47, 31, 67, 40? (a) 47 (b) 31 (c) 67 (d) 40
  16. 16.Which number is the odd one out: 79, 59, 45, 11? (a) 79 (b) 59 (c) 45 (d) 11
  17. 17.Which number is the odd one out: 54, 45, 90, 97? (a) 54 (b) 45 (c) 90 (d) 97
  18. 18.Which number is the odd one out: 99, 27, 21, 63? (a) 99 (b) 27 (c) 21 (d) 63
  19. 19.Which number is the odd one out: 11, 67, 97, 44? (a) 11 (b) 67 (c) 97 (d) 44
  20. 20.Which number is the odd one out: 13, 97, 42, 53? (a) 13 (b) 97 (c) 42 (d) 53
  21. 21.Which number is the odd one out: 85, 37, 47, 11? (a) 85 (b) 37 (c) 47 (d) 11
  22. 22.Which number is the odd one out: 5, 11, 80, 40? (a) 5 (b) 11 (c) 80 (d) 40
  23. 23.Which number is the odd one out: 5, 59, 89, 55? (a) 5 (b) 59 (c) 89 (d) 55
  24. 24.Which number is the odd one out: 47, 11, 14, 7? (a) 47 (b) 11 (c) 14 (d) 7
  25. 25.Which number is the odd one out: 8, 16, 68, 64? (a) 8 (b) 16 (c) 68 (d) 64
  26. 26.Which number is the odd one out: 2, 53, 66, 61? (a) 2 (b) 53 (c) 66 (d) 61
  27. 27.Which number is the odd one out: 47, 17, 3, 84? (a) 47 (b) 17 (c) 3 (d) 84
  28. 28.Which number is the odd one out: 14, 28, 24, 42? (a) 14 (b) 28 (c) 24 (d) 42
  29. 29.Which number is the odd one out: 90, 60, 54, 76? (a) 90 (b) 60 (c) 54 (d) 76
  30. 30.Which number is the odd one out: 18, 81, 25, 90? (a) 18 (b) 81 (c) 25 (d) 90
  31. 31.Which number is the odd one out: 13, 53, 32, 47? (a) 13 (b) 53 (c) 32 (d) 47
  32. 32.Which number is the odd one out: 53, 35, 47, 41? (a) 53 (b) 35 (c) 47 (d) 41
  33. 33.Which number is the odd one out: 10, 95, 77, 91? (a) 10 (b) 95 (c) 77 (d) 91
  34. 34.Which number is the odd one out: 85, 73, 7, 70? (a) 85 (b) 73 (c) 7 (d) 70
  35. 35.Which number is the odd one out: 69, 23, 43, 53? (a) 69 (b) 23 (c) 43 (d) 53
  36. 36.Which number is the odd one out: 83, 78, 6, 38? (a) 83 (b) 78 (c) 6 (d) 38
  37. 37.Which number is the odd one out: 2, 47, 44, 41? (a) 2 (b) 47 (c) 44 (d) 41
  38. 38.Which number is the odd one out: 95, 84, 60, 65? (a) 95 (b) 84 (c) 60 (d) 65
  39. 39.Which number is the odd one out: 59, 97, 47, 50? (a) 59 (b) 97 (c) 47 (d) 50
  40. 40.Which number is the odd one out: 73, 96, 29, 89? (a) 73 (b) 96 (c) 29 (d) 89

Answer key

  1. 32
  2. 70
  3. 34
  4. 74
  5. 63
  6. 60
  7. 40
  8. 10
  9. 95
  10. 25
  11. 36
  12. 70
  13. 4
  14. 60
  15. 40
  16. 45
  17. 97
  18. 21
  19. 44
  20. 42
  21. 85
  22. 11
  23. 55
  24. 14
  25. 68
  26. 66
  27. 84
  28. 24
  29. 76
  30. 25
  31. 32
  32. 35
  33. 10
  34. 70
  35. 69
  36. 83
  37. 44
  38. 84
  39. 50
  40. 96

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