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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 593 · 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: 59, 10, 23, 89? (a) 59 (b) 10 (c) 23 (d) 89
  2. 2.Which number is the odd one out: 69, 71, 3, 23? (a) 69 (b) 71 (c) 3 (d) 23
  3. 3.Which number is the odd one out: 23, 89, 51, 60? (a) 23 (b) 89 (c) 51 (d) 60
  4. 4.Which number is the odd one out: 85, 15, 65, 48? (a) 85 (b) 15 (c) 65 (d) 48
  5. 5.Which number is the odd one out: 17, 33, 14, 3? (a) 17 (b) 33 (c) 14 (d) 3
  6. 6.Which number is the odd one out: 86, 67, 41, 59? (a) 86 (b) 67 (c) 41 (d) 59
  7. 7.Which number is the odd one out: 35, 77, 82, 70? (a) 35 (b) 77 (c) 82 (d) 70
  8. 8.Which number is the odd one out: 5, 17, 95, 37? (a) 5 (b) 17 (c) 95 (d) 37
  9. 9.Which number is the odd one out: 48, 78, 24, 26? (a) 48 (b) 78 (c) 24 (d) 26
  10. 10.Which number is the odd one out: 93, 83, 12, 23? (a) 93 (b) 83 (c) 12 (d) 23
  11. 11.Which number is the odd one out: 61, 77, 7, 11? (a) 61 (b) 77 (c) 7 (d) 11
  12. 12.Which number is the odd one out: 29, 53, 13, 24? (a) 29 (b) 53 (c) 13 (d) 24
  13. 13.Which number is the odd one out: 3, 73, 97, 30? (a) 3 (b) 73 (c) 97 (d) 30
  14. 14.Which number is the odd one out: 41, 6, 2, 89? (a) 41 (b) 6 (c) 2 (d) 89
  15. 15.Which number is the odd one out: 29, 71, 67, 93? (a) 29 (b) 71 (c) 67 (d) 93
  16. 16.Which number is the odd one out: 47, 15, 23, 53? (a) 47 (b) 15 (c) 23 (d) 53
  17. 17.Which number is the odd one out: 61, 73, 17, 9? (a) 61 (b) 73 (c) 17 (d) 9
  18. 18.Which number is the odd one out: 73, 94, 79, 83? (a) 73 (b) 94 (c) 79 (d) 83
  19. 19.Which number is the odd one out: 89, 14, 7, 41? (a) 89 (b) 14 (c) 7 (d) 41
  20. 20.Which number is the odd one out: 35, 29, 59, 37? (a) 35 (b) 29 (c) 59 (d) 37
  21. 21.Which number is the odd one out: 11, 65, 89, 29? (a) 11 (b) 65 (c) 89 (d) 29
  22. 22.Which number is the odd one out: 13, 24, 79, 67? (a) 13 (b) 24 (c) 79 (d) 67
  23. 23.Which number is the odd one out: 54, 10, 72, 48? (a) 54 (b) 10 (c) 72 (d) 48
  24. 24.Which number is the odd one out: 19, 89, 90, 53? (a) 19 (b) 89 (c) 90 (d) 53
  25. 25.Which number is the odd one out: 83, 11, 16, 2? (a) 83 (b) 11 (c) 16 (d) 2
  26. 26.Which number is the odd one out: 80, 24, 12, 40? (a) 80 (b) 24 (c) 12 (d) 40
  27. 27.Which number is the odd one out: 64, 10, 25, 85? (a) 64 (b) 10 (c) 25 (d) 85
  28. 28.Which number is the odd one out: 27, 14, 91, 98? (a) 27 (b) 14 (c) 91 (d) 98
  29. 29.Which number is the odd one out: 91, 14, 21, 24? (a) 91 (b) 14 (c) 21 (d) 24
  30. 30.Which number is the odd one out: 62, 88, 24, 48? (a) 62 (b) 88 (c) 24 (d) 48
  31. 31.Which number is the odd one out: 52, 26, 16, 64? (a) 52 (b) 26 (c) 16 (d) 64
  32. 32.Which number is the odd one out: 28, 29, 37, 71? (a) 28 (b) 29 (c) 37 (d) 71
  33. 33.Which number is the odd one out: 97, 39, 29, 6? (a) 97 (b) 39 (c) 29 (d) 6
  34. 34.Which number is the odd one out: 63, 31, 79, 89? (a) 63 (b) 31 (c) 79 (d) 89
  35. 35.Which number is the odd one out: 40, 2, 43, 71? (a) 40 (b) 2 (c) 43 (d) 71
  36. 36.Which number is the odd one out: 19, 78, 43, 11? (a) 19 (b) 78 (c) 43 (d) 11
  37. 37.Which number is the odd one out: 13, 24, 48, 12? (a) 13 (b) 24 (c) 48 (d) 12
  38. 38.Which number is the odd one out: 47, 53, 70, 5? (a) 47 (b) 53 (c) 70 (d) 5
  39. 39.Which number is the odd one out: 37, 53, 98, 97? (a) 37 (b) 53 (c) 98 (d) 97
  40. 40.Which number is the odd one out: 37, 59, 83, 82? (a) 37 (b) 59 (c) 83 (d) 82

Answer key

  1. 10
  2. 69
  3. 60
  4. 48
  5. 14
  6. 86
  7. 82
  8. 95
  9. 26
  10. 12
  11. 77
  12. 24
  13. 30
  14. 6
  15. 93
  16. 15
  17. 9
  18. 94
  19. 14
  20. 35
  21. 65
  22. 24
  23. 10
  24. 90
  25. 16
  26. 12
  27. 64
  28. 27
  29. 24
  30. 62
  31. 26
  32. 28
  33. 6
  34. 63
  35. 40
  36. 78
  37. 13
  38. 70
  39. 98
  40. 82

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