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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 591 · 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: 26, 47, 53, 11? (a) 26 (b) 47 (c) 53 (d) 11
  2. 2.Which number is the odd one out: 29, 3, 4, 39? (a) 29 (b) 3 (c) 4 (d) 39
  3. 3.Which number is the odd one out: 92, 88, 55, 40? (a) 92 (b) 88 (c) 55 (d) 40
  4. 4.Which number is the odd one out: 18, 4, 36, 66? (a) 18 (b) 4 (c) 36 (d) 66
  5. 5.Which number is the odd one out: 16, 64, 88, 30? (a) 16 (b) 64 (c) 88 (d) 30
  6. 6.Which number is the odd one out: 67, 79, 94, 61? (a) 67 (b) 79 (c) 94 (d) 61
  7. 7.Which number is the odd one out: 95, 11, 71, 53? (a) 95 (b) 11 (c) 71 (d) 53
  8. 8.Which number is the odd one out: 37, 67, 17, 34? (a) 37 (b) 67 (c) 17 (d) 34
  9. 9.Which number is the odd one out: 9, 55, 81, 27? (a) 9 (b) 55 (c) 81 (d) 27
  10. 10.Which number is the odd one out: 29, 23, 28, 71? (a) 29 (b) 23 (c) 28 (d) 71
  11. 11.Which number is the odd one out: 18, 45, 29, 90? (a) 18 (b) 45 (c) 29 (d) 90
  12. 12.Which number is the odd one out: 92, 8, 88, 99? (a) 92 (b) 8 (c) 88 (d) 99
  13. 13.Which number is the odd one out: 59, 19, 10, 53? (a) 59 (b) 19 (c) 10 (d) 53
  14. 14.Which number is the odd one out: 28, 15, 8, 56? (a) 28 (b) 15 (c) 8 (d) 56
  15. 15.Which number is the odd one out: 32, 48, 53, 24? (a) 32 (b) 48 (c) 53 (d) 24
  16. 16.Which number is the odd one out: 85, 88, 55, 20? (a) 85 (b) 88 (c) 55 (d) 20
  17. 17.Which number is the odd one out: 96, 24, 7, 76? (a) 96 (b) 24 (c) 7 (d) 76
  18. 18.Which number is the odd one out: 13, 73, 47, 95? (a) 13 (b) 73 (c) 47 (d) 95
  19. 19.Which number is the odd one out: 83, 89, 55, 61? (a) 83 (b) 89 (c) 55 (d) 61
  20. 20.Which number is the odd one out: 18, 42, 21, 63? (a) 18 (b) 42 (c) 21 (d) 63
  21. 21.Which number is the odd one out: 79, 89, 52, 53? (a) 79 (b) 89 (c) 52 (d) 53
  22. 22.Which number is the odd one out: 59, 23, 24, 93? (a) 59 (b) 23 (c) 24 (d) 93
  23. 23.Which number is the odd one out: 93, 51, 57, 14? (a) 93 (b) 51 (c) 57 (d) 14
  24. 24.Which number is the odd one out: 48, 64, 24, 4? (a) 48 (b) 64 (c) 24 (d) 4
  25. 25.Which number is the odd one out: 27, 54, 93, 18? (a) 27 (b) 54 (c) 93 (d) 18
  26. 26.Which number is the odd one out: 55, 44, 65, 10? (a) 55 (b) 44 (c) 65 (d) 10
  27. 27.Which number is the odd one out: 82, 59, 19, 2? (a) 82 (b) 59 (c) 19 (d) 2
  28. 28.Which number is the odd one out: 61, 53, 52, 17? (a) 61 (b) 53 (c) 52 (d) 17
  29. 29.Which number is the odd one out: 89, 97, 50, 2? (a) 89 (b) 97 (c) 50 (d) 2
  30. 30.Which number is the odd one out: 66, 59, 61, 29? (a) 66 (b) 59 (c) 61 (d) 29
  31. 31.Which number is the odd one out: 19, 45, 59, 17? (a) 19 (b) 45 (c) 59 (d) 17
  32. 32.Which number is the odd one out: 68, 44, 52, 73? (a) 68 (b) 44 (c) 52 (d) 73
  33. 33.Which number is the odd one out: 39, 16, 64, 4? (a) 39 (b) 16 (c) 64 (d) 4
  34. 34.Which number is the odd one out: 56, 55, 70, 32? (a) 56 (b) 55 (c) 70 (d) 32
  35. 35.Which number is the odd one out: 67, 83, 17, 46? (a) 67 (b) 83 (c) 17 (d) 46
  36. 36.Which number is the odd one out: 12, 41, 71, 23? (a) 12 (b) 41 (c) 71 (d) 23
  37. 37.Which number is the odd one out: 8, 32, 88, 86? (a) 8 (b) 32 (c) 88 (d) 86
  38. 38.Which number is the odd one out: 31, 37, 23, 51? (a) 31 (b) 37 (c) 23 (d) 51
  39. 39.Which number is the odd one out: 6, 24, 48, 39? (a) 6 (b) 24 (c) 48 (d) 39
  40. 40.Which number is the odd one out: 89, 20, 13, 17? (a) 89 (b) 20 (c) 13 (d) 17

Answer key

  1. 26
  2. 4
  3. 55
  4. 4
  5. 30
  6. 94
  7. 95
  8. 34
  9. 55
  10. 28
  11. 29
  12. 99
  13. 10
  14. 15
  15. 53
  16. 88
  17. 7
  18. 95
  19. 55
  20. 18
  21. 52
  22. 24
  23. 14
  24. 4
  25. 93
  26. 44
  27. 82
  28. 52
  29. 50
  30. 66
  31. 45
  32. 73
  33. 39
  34. 55
  35. 46
  36. 12
  37. 86
  38. 51
  39. 39
  40. 20

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