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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 541 · 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: 97, 3, 83, 12? (a) 97 (b) 3 (c) 83 (d) 12
  2. 2.Which number is the odd one out: 79, 67, 12, 41? (a) 79 (b) 67 (c) 12 (d) 41
  3. 3.Which number is the odd one out: 13, 31, 4, 53? (a) 13 (b) 31 (c) 4 (d) 53
  4. 4.Which number is the odd one out: 19, 29, 16, 73? (a) 19 (b) 29 (c) 16 (d) 73
  5. 5.Which number is the odd one out: 29, 59, 75, 19? (a) 29 (b) 59 (c) 75 (d) 19
  6. 6.Which number is the odd one out: 22, 79, 71, 43? (a) 22 (b) 79 (c) 71 (d) 43
  7. 7.Which number is the odd one out: 90, 43, 67, 83? (a) 90 (b) 43 (c) 67 (d) 83
  8. 8.Which number is the odd one out: 73, 53, 87, 78? (a) 73 (b) 53 (c) 87 (d) 78
  9. 9.Which number is the odd one out: 2, 67, 38, 94? (a) 2 (b) 67 (c) 38 (d) 94
  10. 10.Which number is the odd one out: 81, 80, 9, 64? (a) 81 (b) 80 (c) 9 (d) 64
  11. 11.Which number is the odd one out: 61, 13, 11, 30? (a) 61 (b) 13 (c) 11 (d) 30
  12. 12.Which number is the odd one out: 38, 91, 35, 70? (a) 38 (b) 91 (c) 35 (d) 70
  13. 13.Which number is the odd one out: 69, 17, 43, 59? (a) 69 (b) 17 (c) 43 (d) 59
  14. 14.Which number is the odd one out: 49, 28, 52, 74? (a) 49 (b) 28 (c) 52 (d) 74
  15. 15.Which number is the odd one out: 24, 53, 19, 67? (a) 24 (b) 53 (c) 19 (d) 67
  16. 16.Which number is the odd one out: 47, 56, 89, 13? (a) 47 (b) 56 (c) 89 (d) 13
  17. 17.Which number is the odd one out: 97, 79, 72, 11? (a) 97 (b) 79 (c) 72 (d) 11
  18. 18.Which number is the odd one out: 47, 97, 19, 33? (a) 47 (b) 97 (c) 19 (d) 33
  19. 19.Which number is the odd one out: 11, 43, 79, 8? (a) 11 (b) 43 (c) 79 (d) 8
  20. 20.Which number is the odd one out: 26, 23, 71, 89? (a) 26 (b) 23 (c) 71 (d) 89
  21. 21.Which number is the odd one out: 89, 47, 2, 84? (a) 89 (b) 47 (c) 2 (d) 84
  22. 22.Which number is the odd one out: 66, 67, 97, 59? (a) 66 (b) 67 (c) 97 (d) 59
  23. 23.Which number is the odd one out: 42, 12, 69, 84? (a) 42 (b) 12 (c) 69 (d) 84
  24. 24.Which number is the odd one out: 32, 37, 29, 59? (a) 32 (b) 37 (c) 29 (d) 59
  25. 25.Which number is the odd one out: 63, 77, 81, 91? (a) 63 (b) 77 (c) 81 (d) 91
  26. 26.Which number is the odd one out: 82, 37, 43, 23? (a) 82 (b) 37 (c) 43 (d) 23
  27. 27.Which number is the odd one out: 60, 15, 24, 96? (a) 60 (b) 15 (c) 24 (d) 96
  28. 28.Which number is the odd one out: 8, 52, 65, 80? (a) 8 (b) 52 (c) 65 (d) 80
  29. 29.Which number is the odd one out: 2, 13, 34, 31? (a) 2 (b) 13 (c) 34 (d) 31
  30. 30.Which number is the odd one out: 24, 72, 54, 53? (a) 24 (b) 72 (c) 54 (d) 53
  31. 31.Which number is the odd one out: 13, 53, 99, 97? (a) 13 (b) 53 (c) 99 (d) 97
  32. 32.Which number is the odd one out: 32, 24, 59, 48? (a) 32 (b) 24 (c) 59 (d) 48
  33. 33.Which number is the odd one out: 93, 64, 33, 51? (a) 93 (b) 64 (c) 33 (d) 51
  34. 34.Which number is the odd one out: 30, 18, 90, 49? (a) 30 (b) 18 (c) 90 (d) 49
  35. 35.Which number is the odd one out: 80, 66, 6, 24? (a) 80 (b) 66 (c) 6 (d) 24
  36. 36.Which number is the odd one out: 90, 95, 67, 31? (a) 90 (b) 95 (c) 67 (d) 31
  37. 37.Which number is the odd one out: 33, 17, 59, 23? (a) 33 (b) 17 (c) 59 (d) 23
  38. 38.Which number is the odd one out: 51, 6, 5, 30? (a) 51 (b) 6 (c) 5 (d) 30
  39. 39.Which number is the odd one out: 67, 53, 47, 40? (a) 67 (b) 53 (c) 47 (d) 40
  40. 40.Which number is the odd one out: 3, 43, 60, 19? (a) 3 (b) 43 (c) 60 (d) 19

Answer key

  1. 12
  2. 12
  3. 4
  4. 16
  5. 75
  6. 22
  7. 90
  8. 78
  9. 67
  10. 80
  11. 30
  12. 38
  13. 69
  14. 49
  15. 24
  16. 56
  17. 72
  18. 33
  19. 8
  20. 26
  21. 84
  22. 66
  23. 69
  24. 32
  25. 81
  26. 82
  27. 15
  28. 65
  29. 34
  30. 53
  31. 99
  32. 59
  33. 64
  34. 49
  35. 80
  36. 90
  37. 33
  38. 5
  39. 40
  40. 60

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