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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 636 · 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: 24, 48, 32, 23? (a) 24 (b) 48 (c) 32 (d) 23
  2. 2.Which number is the odd one out: 16, 48, 96, 49? (a) 16 (b) 48 (c) 96 (d) 49
  3. 3.Which number is the odd one out: 89, 19, 73, 18? (a) 89 (b) 19 (c) 73 (d) 18
  4. 4.Which number is the odd one out: 72, 19, 59, 89? (a) 72 (b) 19 (c) 59 (d) 89
  5. 5.Which number is the odd one out: 5, 31, 67, 60? (a) 5 (b) 31 (c) 67 (d) 60
  6. 6.Which number is the odd one out: 59, 53, 90, 97? (a) 59 (b) 53 (c) 90 (d) 97
  7. 7.Which number is the odd one out: 4, 19, 47, 13? (a) 4 (b) 19 (c) 47 (d) 13
  8. 8.Which number is the odd one out: 59, 31, 30, 2? (a) 59 (b) 31 (c) 30 (d) 2
  9. 9.Which number is the odd one out: 18, 41, 48, 72? (a) 18 (b) 41 (c) 48 (d) 72
  10. 10.Which number is the odd one out: 27, 81, 46, 9? (a) 27 (b) 81 (c) 46 (d) 9
  11. 11.Which number is the odd one out: 72, 90, 55, 96? (a) 72 (b) 90 (c) 55 (d) 96
  12. 12.Which number is the odd one out: 41, 73, 78, 19? (a) 41 (b) 73 (c) 78 (d) 19
  13. 13.Which number is the odd one out: 29, 23, 46, 97? (a) 29 (b) 23 (c) 46 (d) 97
  14. 14.Which number is the odd one out: 79, 64, 67, 71? (a) 79 (b) 64 (c) 67 (d) 71
  15. 15.Which number is the odd one out: 53, 96, 6, 48? (a) 53 (b) 96 (c) 6 (d) 48
  16. 16.Which number is the odd one out: 12, 21, 28, 77? (a) 12 (b) 21 (c) 28 (d) 77
  17. 17.Which number is the odd one out: 73, 28, 31, 7? (a) 73 (b) 28 (c) 31 (d) 7
  18. 18.Which number is the odd one out: 3, 11, 24, 29? (a) 3 (b) 11 (c) 24 (d) 29
  19. 19.Which number is the odd one out: 5, 60, 19, 43? (a) 5 (b) 60 (c) 19 (d) 43
  20. 20.Which number is the odd one out: 17, 29, 61, 98? (a) 17 (b) 29 (c) 61 (d) 98
  21. 21.Which number is the odd one out: 16, 54, 64, 88? (a) 16 (b) 54 (c) 64 (d) 88
  22. 22.Which number is the odd one out: 29, 5, 95, 56? (a) 29 (b) 5 (c) 95 (d) 56
  23. 23.Which number is the odd one out: 37, 59, 46, 89? (a) 37 (b) 59 (c) 46 (d) 89
  24. 24.Which number is the odd one out: 48, 18, 33, 72? (a) 48 (b) 18 (c) 33 (d) 72
  25. 25.Which number is the odd one out: 24, 21, 96, 48? (a) 24 (b) 21 (c) 96 (d) 48
  26. 26.Which number is the odd one out: 83, 49, 53, 71? (a) 83 (b) 49 (c) 53 (d) 71
  27. 27.Which number is the odd one out: 73, 59, 33, 29? (a) 73 (b) 59 (c) 33 (d) 29
  28. 28.Which number is the odd one out: 97, 24, 3, 2? (a) 97 (b) 24 (c) 3 (d) 2
  29. 29.Which number is the odd one out: 47, 44, 13, 19? (a) 47 (b) 44 (c) 13 (d) 19
  30. 30.Which number is the odd one out: 16, 15, 95, 39? (a) 16 (b) 15 (c) 95 (d) 39
  31. 31.Which number is the odd one out: 3, 73, 15, 83? (a) 3 (b) 73 (c) 15 (d) 83
  32. 32.Which number is the odd one out: 37, 47, 76, 29? (a) 37 (b) 47 (c) 76 (d) 29
  33. 33.Which number is the odd one out: 41, 37, 16, 73? (a) 41 (b) 37 (c) 16 (d) 73
  34. 34.Which number is the odd one out: 66, 51, 73, 6? (a) 66 (b) 51 (c) 73 (d) 6
  35. 35.Which number is the odd one out: 23, 83, 84, 2? (a) 23 (b) 83 (c) 84 (d) 2
  36. 36.Which number is the odd one out: 37, 77, 79, 83? (a) 37 (b) 77 (c) 79 (d) 83
  37. 37.Which number is the odd one out: 89, 59, 52, 11? (a) 89 (b) 59 (c) 52 (d) 11
  38. 38.Which number is the odd one out: 61, 88, 40, 20? (a) 61 (b) 88 (c) 40 (d) 20
  39. 39.Which number is the odd one out: 68, 17, 97, 73? (a) 68 (b) 17 (c) 97 (d) 73
  40. 40.Which number is the odd one out: 25, 16, 45, 64? (a) 25 (b) 16 (c) 45 (d) 64

Answer key

  1. 23
  2. 49
  3. 18
  4. 72
  5. 60
  6. 90
  7. 4
  8. 30
  9. 41
  10. 46
  11. 55
  12. 78
  13. 46
  14. 64
  15. 53
  16. 12
  17. 28
  18. 24
  19. 60
  20. 98
  21. 54
  22. 56
  23. 46
  24. 33
  25. 21
  26. 49
  27. 33
  28. 24
  29. 44
  30. 16
  31. 15
  32. 76
  33. 16
  34. 73
  35. 84
  36. 77
  37. 52
  38. 61
  39. 68
  40. 45

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