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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 772 · 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: 31, 89, 29, 92? (a) 31 (b) 89 (c) 29 (d) 92
  2. 2.Which number is the odd one out: 23, 59, 4, 29? (a) 23 (b) 59 (c) 4 (d) 29
  3. 3.Which number is the odd one out: 2, 31, 13, 16? (a) 2 (b) 31 (c) 13 (d) 16
  4. 4.Which number is the odd one out: 71, 59, 73, 10? (a) 71 (b) 59 (c) 73 (d) 10
  5. 5.Which number is the odd one out: 13, 99, 17, 23? (a) 13 (b) 99 (c) 17 (d) 23
  6. 6.Which number is the odd one out: 56, 70, 44, 8? (a) 56 (b) 70 (c) 44 (d) 8
  7. 7.Which number is the odd one out: 36, 65, 55, 60? (a) 36 (b) 65 (c) 55 (d) 60
  8. 8.Which number is the odd one out: 60, 21, 28, 91? (a) 60 (b) 21 (c) 28 (d) 91
  9. 9.Which number is the odd one out: 64, 81, 8, 26? (a) 64 (b) 81 (c) 8 (d) 26
  10. 10.Which number is the odd one out: 83, 21, 17, 61? (a) 83 (b) 21 (c) 17 (d) 61
  11. 11.Which number is the odd one out: 24, 96, 20, 60? (a) 24 (b) 96 (c) 20 (d) 60
  12. 12.Which number is the odd one out: 61, 96, 48, 24? (a) 61 (b) 96 (c) 48 (d) 24
  13. 13.Which number is the odd one out: 8, 63, 16, 64? (a) 8 (b) 63 (c) 16 (d) 64
  14. 14.Which number is the odd one out: 97, 68, 83, 13? (a) 97 (b) 68 (c) 83 (d) 13
  15. 15.Which number is the odd one out: 73, 41, 19, 74? (a) 73 (b) 41 (c) 19 (d) 74
  16. 16.Which number is the odd one out: 81, 9, 99, 2? (a) 81 (b) 9 (c) 99 (d) 2
  17. 17.Which number is the odd one out: 8, 22, 88, 95? (a) 8 (b) 22 (c) 88 (d) 95
  18. 18.Which number is the odd one out: 53, 71, 86, 79? (a) 53 (b) 71 (c) 86 (d) 79
  19. 19.Which number is the odd one out: 89, 51, 37, 83? (a) 89 (b) 51 (c) 37 (d) 83
  20. 20.Which number is the odd one out: 83, 59, 84, 79? (a) 83 (b) 59 (c) 84 (d) 79
  21. 21.Which number is the odd one out: 19, 53, 47, 8? (a) 19 (b) 53 (c) 47 (d) 8
  22. 22.Which number is the odd one out: 59, 75, 71, 11? (a) 59 (b) 75 (c) 71 (d) 11
  23. 23.Which number is the odd one out: 6, 61, 89, 17? (a) 6 (b) 61 (c) 89 (d) 17
  24. 24.Which number is the odd one out: 19, 43, 5, 75? (a) 19 (b) 43 (c) 5 (d) 75
  25. 25.Which number is the odd one out: 13, 47, 42, 73? (a) 13 (b) 47 (c) 42 (d) 73
  26. 26.Which number is the odd one out: 18, 89, 43, 23? (a) 18 (b) 89 (c) 43 (d) 23
  27. 27.Which number is the odd one out: 60, 23, 83, 43? (a) 60 (b) 23 (c) 83 (d) 43
  28. 28.Which number is the odd one out: 23, 73, 97, 12? (a) 23 (b) 73 (c) 97 (d) 12
  29. 29.Which number is the odd one out: 11, 59, 66, 29? (a) 11 (b) 59 (c) 66 (d) 29
  30. 30.Which number is the odd one out: 11, 17, 15, 13? (a) 11 (b) 17 (c) 15 (d) 13
  31. 31.Which number is the odd one out: 48, 95, 66, 96? (a) 48 (b) 95 (c) 66 (d) 96
  32. 32.Which number is the odd one out: 2, 20, 97, 31? (a) 2 (b) 20 (c) 97 (d) 31
  33. 33.Which number is the odd one out: 7, 19, 47, 70? (a) 7 (b) 19 (c) 47 (d) 70
  34. 34.Which number is the odd one out: 88, 82, 40, 80? (a) 88 (b) 82 (c) 40 (d) 80
  35. 35.Which number is the odd one out: 19, 61, 68, 2? (a) 19 (b) 61 (c) 68 (d) 2
  36. 36.Which number is the odd one out: 87, 23, 19, 24? (a) 87 (b) 23 (c) 19 (d) 24
  37. 37.Which number is the odd one out: 3, 13, 45, 17? (a) 3 (b) 13 (c) 45 (d) 17
  38. 38.Which number is the odd one out: 7, 61, 41, 56? (a) 7 (b) 61 (c) 41 (d) 56
  39. 39.Which number is the odd one out: 3, 61, 69, 19? (a) 3 (b) 61 (c) 69 (d) 19
  40. 40.Which number is the odd one out: 4, 40, 81, 9? (a) 4 (b) 40 (c) 81 (d) 9

Answer key

  1. 92
  2. 4
  3. 16
  4. 10
  5. 99
  6. 70
  7. 36
  8. 60
  9. 81
  10. 21
  11. 20
  12. 61
  13. 63
  14. 68
  15. 74
  16. 2
  17. 95
  18. 86
  19. 51
  20. 84
  21. 8
  22. 75
  23. 6
  24. 75
  25. 42
  26. 18
  27. 60
  28. 12
  29. 66
  30. 15
  31. 95
  32. 20
  33. 70
  34. 82
  35. 68
  36. 24
  37. 45
  38. 56
  39. 69
  40. 40

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