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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 759 · 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: 53, 59, 61, 62? (a) 53 (b) 59 (c) 61 (d) 62
  2. 2.Which number is the odd one out: 13, 3, 75, 73? (a) 13 (b) 3 (c) 75 (d) 73
  3. 3.Which number is the odd one out: 17, 5, 23, 70? (a) 17 (b) 5 (c) 23 (d) 70
  4. 4.Which number is the odd one out: 20, 71, 31, 67? (a) 20 (b) 71 (c) 31 (d) 67
  5. 5.Which number is the odd one out: 75, 48, 90, 45? (a) 75 (b) 48 (c) 90 (d) 45
  6. 6.Which number is the odd one out: 77, 35, 52, 55? (a) 77 (b) 35 (c) 52 (d) 55
  7. 7.Which number is the odd one out: 32, 64, 88, 9? (a) 32 (b) 64 (c) 88 (d) 9
  8. 8.Which number is the odd one out: 83, 73, 90, 2? (a) 83 (b) 73 (c) 90 (d) 2
  9. 9.Which number is the odd one out: 47, 43, 27, 13? (a) 47 (b) 43 (c) 27 (d) 13
  10. 10.Which number is the odd one out: 72, 91, 98, 63? (a) 72 (b) 91 (c) 98 (d) 63
  11. 11.Which number is the odd one out: 66, 97, 29, 67? (a) 66 (b) 97 (c) 29 (d) 67
  12. 12.Which number is the odd one out: 88, 80, 60, 96? (a) 88 (b) 80 (c) 60 (d) 96
  13. 13.Which number is the odd one out: 68, 96, 24, 11? (a) 68 (b) 96 (c) 24 (d) 11
  14. 14.Which number is the odd one out: 19, 74, 53, 37? (a) 19 (b) 74 (c) 53 (d) 37
  15. 15.Which number is the odd one out: 43, 14, 77, 98? (a) 43 (b) 14 (c) 77 (d) 98
  16. 16.Which number is the odd one out: 55, 41, 11, 59? (a) 55 (b) 41 (c) 11 (d) 59
  17. 17.Which number is the odd one out: 29, 73, 86, 2? (a) 29 (b) 73 (c) 86 (d) 2
  18. 18.Which number is the odd one out: 48, 5, 96, 40? (a) 48 (b) 5 (c) 96 (d) 40
  19. 19.Which number is the odd one out: 59, 81, 47, 11? (a) 59 (b) 81 (c) 47 (d) 11
  20. 20.Which number is the odd one out: 67, 18, 61, 79? (a) 67 (b) 18 (c) 61 (d) 79
  21. 21.Which number is the odd one out: 93, 83, 73, 19? (a) 93 (b) 83 (c) 73 (d) 19
  22. 22.Which number is the odd one out: 61, 22, 23, 71? (a) 61 (b) 22 (c) 23 (d) 71
  23. 23.Which number is the odd one out: 99, 30, 54, 27? (a) 99 (b) 30 (c) 54 (d) 27
  24. 24.Which number is the odd one out: 45, 5, 19, 61? (a) 45 (b) 5 (c) 19 (d) 61
  25. 25.Which number is the odd one out: 99, 89, 53, 37? (a) 99 (b) 89 (c) 53 (d) 37
  26. 26.Which number is the odd one out: 4, 16, 65, 64? (a) 4 (b) 16 (c) 65 (d) 64
  27. 27.Which number is the odd one out: 29, 9, 3, 37? (a) 29 (b) 9 (c) 3 (d) 37
  28. 28.Which number is the odd one out: 3, 2, 29, 42? (a) 3 (b) 2 (c) 29 (d) 42
  29. 29.Which number is the odd one out: 47, 37, 97, 64? (a) 47 (b) 37 (c) 97 (d) 64
  30. 30.Which number is the odd one out: 8, 40, 68, 55? (a) 8 (b) 40 (c) 68 (d) 55
  31. 31.Which number is the odd one out: 73, 29, 23, 72? (a) 73 (b) 29 (c) 23 (d) 72
  32. 32.Which number is the odd one out: 7, 62, 26, 2? (a) 7 (b) 62 (c) 26 (d) 2
  33. 33.Which number is the odd one out: 18, 2, 83, 11? (a) 18 (b) 2 (c) 83 (d) 11
  34. 34.Which number is the odd one out: 89, 48, 88, 24? (a) 89 (b) 48 (c) 88 (d) 24
  35. 35.Which number is the odd one out: 62, 6, 96, 24? (a) 62 (b) 6 (c) 96 (d) 24
  36. 36.Which number is the odd one out: 97, 2, 29, 94? (a) 97 (b) 2 (c) 29 (d) 94
  37. 37.Which number is the odd one out: 97, 21, 19, 13? (a) 97 (b) 21 (c) 19 (d) 13
  38. 38.Which number is the odd one out: 29, 36, 31, 3? (a) 29 (b) 36 (c) 31 (d) 3
  39. 39.Which number is the odd one out: 95, 10, 65, 36? (a) 95 (b) 10 (c) 65 (d) 36
  40. 40.Which number is the odd one out: 82, 75, 95, 87? (a) 82 (b) 75 (c) 95 (d) 87

Answer key

  1. 62
  2. 75
  3. 70
  4. 20
  5. 48
  6. 52
  7. 9
  8. 90
  9. 27
  10. 72
  11. 66
  12. 60
  13. 11
  14. 74
  15. 43
  16. 55
  17. 86
  18. 5
  19. 81
  20. 18
  21. 93
  22. 22
  23. 30
  24. 45
  25. 99
  26. 65
  27. 9
  28. 42
  29. 64
  30. 55
  31. 72
  32. 7
  33. 18
  34. 89
  35. 62
  36. 94
  37. 21
  38. 36
  39. 36
  40. 82

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