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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 197 · 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: 27, 96, 9, 36? (a) 27 (b) 96 (c) 9 (d) 36
  2. 2.Which number is the odd one out: 88, 80, 79, 40? (a) 88 (b) 80 (c) 79 (d) 40
  3. 3.Which number is the odd one out: 8, 48, 13, 24? (a) 8 (b) 48 (c) 13 (d) 24
  4. 4.Which number is the odd one out: 77, 63, 98, 72? (a) 77 (b) 63 (c) 98 (d) 72
  5. 5.Which number is the odd one out: 71, 83, 19, 90? (a) 71 (b) 83 (c) 19 (d) 90
  6. 6.Which number is the odd one out: 58, 17, 23, 89? (a) 58 (b) 17 (c) 23 (d) 89
  7. 7.Which number is the odd one out: 41, 39, 37, 83? (a) 41 (b) 39 (c) 37 (d) 83
  8. 8.Which number is the odd one out: 71, 13, 23, 91? (a) 71 (b) 13 (c) 23 (d) 91
  9. 9.Which number is the odd one out: 70, 60, 21, 77? (a) 70 (b) 60 (c) 21 (d) 77
  10. 10.Which number is the odd one out: 43, 13, 14, 31? (a) 43 (b) 13 (c) 14 (d) 31
  11. 11.Which number is the odd one out: 64, 81, 8, 9? (a) 64 (b) 81 (c) 8 (d) 9
  12. 12.Which number is the odd one out: 44, 97, 19, 43? (a) 44 (b) 97 (c) 19 (d) 43
  13. 13.Which number is the odd one out: 48, 12, 94, 24? (a) 48 (b) 12 (c) 94 (d) 24
  14. 14.Which number is the odd one out: 18, 54, 99, 25? (a) 18 (b) 54 (c) 99 (d) 25
  15. 15.Which number is the odd one out: 67, 18, 59, 43? (a) 67 (b) 18 (c) 59 (d) 43
  16. 16.Which number is the odd one out: 96, 73, 23, 67? (a) 96 (b) 73 (c) 23 (d) 67
  17. 17.Which number is the odd one out: 51, 57, 13, 3? (a) 51 (b) 57 (c) 13 (d) 3
  18. 18.Which number is the odd one out: 19, 95, 75, 15? (a) 19 (b) 95 (c) 75 (d) 15
  19. 19.Which number is the odd one out: 97, 41, 92, 13? (a) 97 (b) 41 (c) 92 (d) 13
  20. 20.Which number is the odd one out: 59, 19, 11, 38? (a) 59 (b) 19 (c) 11 (d) 38
  21. 21.Which number is the odd one out: 14, 2, 79, 83? (a) 14 (b) 2 (c) 79 (d) 83
  22. 22.Which number is the odd one out: 29, 47, 35, 13? (a) 29 (b) 47 (c) 35 (d) 13
  23. 23.Which number is the odd one out: 17, 89, 53, 35? (a) 17 (b) 89 (c) 53 (d) 35
  24. 24.Which number is the odd one out: 97, 33, 41, 61? (a) 97 (b) 33 (c) 41 (d) 61
  25. 25.Which number is the odd one out: 69, 78, 6, 53? (a) 69 (b) 78 (c) 6 (d) 53
  26. 26.Which number is the odd one out: 8, 14, 98, 28? (a) 8 (b) 14 (c) 98 (d) 28
  27. 27.Which number is the odd one out: 61, 31, 71, 68? (a) 61 (b) 31 (c) 71 (d) 68
  28. 28.Which number is the odd one out: 67, 31, 33, 13? (a) 67 (b) 31 (c) 33 (d) 13
  29. 29.Which number is the odd one out: 81, 87, 23, 9? (a) 81 (b) 87 (c) 23 (d) 9
  30. 30.Which number is the odd one out: 13, 19, 32, 53? (a) 13 (b) 19 (c) 32 (d) 53
  31. 31.Which number is the odd one out: 73, 40, 23, 53? (a) 73 (b) 40 (c) 23 (d) 53
  32. 32.Which number is the odd one out: 23, 54, 18, 27? (a) 23 (b) 54 (c) 18 (d) 27
  33. 33.Which number is the odd one out: 23, 29, 79, 52? (a) 23 (b) 29 (c) 79 (d) 52
  34. 34.Which number is the odd one out: 3, 41, 90, 59? (a) 3 (b) 41 (c) 90 (d) 59
  35. 35.Which number is the odd one out: 11, 73, 55, 31? (a) 11 (b) 73 (c) 55 (d) 31
  36. 36.Which number is the odd one out: 61, 19, 29, 66? (a) 61 (b) 19 (c) 29 (d) 66
  37. 37.Which number is the odd one out: 53, 73, 61, 33? (a) 53 (b) 73 (c) 61 (d) 33
  38. 38.Which number is the odd one out: 18, 40, 72, 78? (a) 18 (b) 40 (c) 72 (d) 78
  39. 39.Which number is the odd one out: 31, 39, 6, 43? (a) 31 (b) 39 (c) 6 (d) 43
  40. 40.Which number is the odd one out: 12, 16, 4, 64? (a) 12 (b) 16 (c) 4 (d) 64

Answer key

  1. 96
  2. 79
  3. 13
  4. 72
  5. 90
  6. 58
  7. 39
  8. 91
  9. 60
  10. 14
  11. 8
  12. 44
  13. 94
  14. 25
  15. 18
  16. 96
  17. 13
  18. 19
  19. 92
  20. 38
  21. 14
  22. 35
  23. 35
  24. 33
  25. 53
  26. 8
  27. 68
  28. 33
  29. 23
  30. 32
  31. 40
  32. 23
  33. 52
  34. 90
  35. 55
  36. 66
  37. 33
  38. 40
  39. 6
  40. 12

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