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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 573 · 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: 47, 31, 67, 48? (a) 47 (b) 31 (c) 67 (d) 48
  2. 2.Which number is the odd one out: 37, 25, 17, 89? (a) 37 (b) 25 (c) 17 (d) 89
  3. 3.Which number is the odd one out: 89, 41, 53, 80? (a) 89 (b) 41 (c) 53 (d) 80
  4. 4.Which number is the odd one out: 81, 40, 16, 9? (a) 81 (b) 40 (c) 16 (d) 9
  5. 5.Which number is the odd one out: 35, 70, 25, 36? (a) 35 (b) 70 (c) 25 (d) 36
  6. 6.Which number is the odd one out: 47, 26, 53, 17? (a) 47 (b) 26 (c) 53 (d) 17
  7. 7.Which number is the odd one out: 6, 13, 23, 19? (a) 6 (b) 13 (c) 23 (d) 19
  8. 8.Which number is the odd one out: 6, 18, 29, 27? (a) 6 (b) 18 (c) 29 (d) 27
  9. 9.Which number is the odd one out: 79, 71, 24, 13? (a) 79 (b) 71 (c) 24 (d) 13
  10. 10.Which number is the odd one out: 73, 83, 88, 11? (a) 73 (b) 83 (c) 88 (d) 11
  11. 11.Which number is the odd one out: 17, 2, 59, 4? (a) 17 (b) 2 (c) 59 (d) 4
  12. 12.Which number is the odd one out: 96, 46, 48, 67? (a) 96 (b) 46 (c) 48 (d) 67
  13. 13.Which number is the odd one out: 41, 72, 13, 79? (a) 41 (b) 72 (c) 13 (d) 79
  14. 14.Which number is the odd one out: 29, 67, 41, 58? (a) 29 (b) 67 (c) 41 (d) 58
  15. 15.Which number is the odd one out: 94, 17, 2, 13? (a) 94 (b) 17 (c) 2 (d) 13
  16. 16.Which number is the odd one out: 11, 65, 43, 79? (a) 11 (b) 65 (c) 43 (d) 79
  17. 17.Which number is the odd one out: 50, 23, 61, 41? (a) 50 (b) 23 (c) 61 (d) 41
  18. 18.Which number is the odd one out: 20, 43, 71, 97? (a) 20 (b) 43 (c) 71 (d) 97
  19. 19.Which number is the odd one out: 29, 73, 71, 94? (a) 29 (b) 73 (c) 71 (d) 94
  20. 20.Which number is the odd one out: 86, 37, 97, 31? (a) 86 (b) 37 (c) 97 (d) 31
  21. 21.Which number is the odd one out: 65, 89, 79, 80? (a) 65 (b) 89 (c) 79 (d) 80
  22. 22.Which number is the odd one out: 64, 32, 16, 66? (a) 64 (b) 32 (c) 16 (d) 66
  23. 23.Which number is the odd one out: 48, 95, 94, 24? (a) 48 (b) 95 (c) 94 (d) 24
  24. 24.Which number is the odd one out: 48, 86, 66, 24? (a) 48 (b) 86 (c) 66 (d) 24
  25. 25.Which number is the odd one out: 23, 71, 6, 43? (a) 23 (b) 71 (c) 6 (d) 43
  26. 26.Which number is the odd one out: 69, 31, 48, 13? (a) 69 (b) 31 (c) 48 (d) 13
  27. 27.Which number is the odd one out: 19, 22, 29, 53? (a) 19 (b) 22 (c) 29 (d) 53
  28. 28.Which number is the odd one out: 76, 47, 79, 67? (a) 76 (b) 47 (c) 79 (d) 67
  29. 29.Which number is the odd one out: 7, 43, 11, 63? (a) 7 (b) 43 (c) 11 (d) 63
  30. 30.Which number is the odd one out: 58, 24, 12, 48? (a) 58 (b) 24 (c) 12 (d) 48
  31. 31.Which number is the odd one out: 91, 10, 35, 77? (a) 91 (b) 10 (c) 35 (d) 77
  32. 32.Which number is the odd one out: 7, 59, 71, 70? (a) 7 (b) 59 (c) 71 (d) 70
  33. 33.Which number is the odd one out: 49, 9, 98, 81? (a) 49 (b) 9 (c) 98 (d) 81
  34. 34.Which number is the odd one out: 26, 73, 79, 53? (a) 26 (b) 73 (c) 79 (d) 53
  35. 35.Which number is the odd one out: 19, 61, 23, 55? (a) 19 (b) 61 (c) 23 (d) 55
  36. 36.Which number is the odd one out: 26, 67, 13, 89? (a) 26 (b) 67 (c) 13 (d) 89
  37. 37.Which number is the odd one out: 95, 53, 89, 79? (a) 95 (b) 53 (c) 89 (d) 79
  38. 38.Which number is the odd one out: 89, 94, 29, 61? (a) 89 (b) 94 (c) 29 (d) 61
  39. 39.Which number is the odd one out: 19, 27, 73, 89? (a) 19 (b) 27 (c) 73 (d) 89
  40. 40.Which number is the odd one out: 85, 87, 93, 10? (a) 85 (b) 87 (c) 93 (d) 10

Answer key

  1. 48
  2. 25
  3. 80
  4. 40
  5. 36
  6. 26
  7. 6
  8. 29
  9. 24
  10. 88
  11. 4
  12. 67
  13. 72
  14. 58
  15. 94
  16. 65
  17. 50
  18. 20
  19. 94
  20. 86
  21. 80
  22. 66
  23. 95
  24. 86
  25. 6
  26. 48
  27. 22
  28. 76
  29. 63
  30. 58
  31. 10
  32. 70
  33. 98
  34. 26
  35. 55
  36. 26
  37. 95
  38. 94
  39. 27
  40. 10

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