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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 335 · 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: 22, 89, 61, 13? (a) 22 (b) 89 (c) 61 (d) 13
  2. 2.Which number is the odd one out: 45, 57, 18, 90? (a) 45 (b) 57 (c) 18 (d) 90
  3. 3.Which number is the odd one out: 6, 2, 83, 19? (a) 6 (b) 2 (c) 83 (d) 19
  4. 4.Which number is the odd one out: 47, 53, 83, 26? (a) 47 (b) 53 (c) 83 (d) 26
  5. 5.Which number is the odd one out: 50, 29, 5, 31? (a) 50 (b) 29 (c) 5 (d) 31
  6. 6.Which number is the odd one out: 13, 15, 5, 47? (a) 13 (b) 15 (c) 5 (d) 47
  7. 7.Which number is the odd one out: 80, 44, 40, 88? (a) 80 (b) 44 (c) 40 (d) 88
  8. 8.Which number is the odd one out: 61, 56, 53, 83? (a) 61 (b) 56 (c) 53 (d) 83
  9. 9.Which number is the odd one out: 11, 30, 67, 13? (a) 11 (b) 30 (c) 67 (d) 13
  10. 10.Which number is the odd one out: 9, 89, 71, 97? (a) 9 (b) 89 (c) 71 (d) 97
  11. 11.Which number is the odd one out: 13, 2, 17, 52? (a) 13 (b) 2 (c) 17 (d) 52
  12. 12.Which number is the odd one out: 3, 97, 7, 84? (a) 3 (b) 97 (c) 7 (d) 84
  13. 13.Which number is the odd one out: 48, 47, 19, 2? (a) 48 (b) 47 (c) 19 (d) 2
  14. 14.Which number is the odd one out: 77, 99, 21, 27? (a) 77 (b) 99 (c) 21 (d) 27
  15. 15.Which number is the odd one out: 23, 87, 73, 19? (a) 23 (b) 87 (c) 73 (d) 19
  16. 16.Which number is the odd one out: 96, 24, 88, 86? (a) 96 (b) 24 (c) 88 (d) 86
  17. 17.Which number is the odd one out: 53, 37, 24, 79? (a) 53 (b) 37 (c) 24 (d) 79
  18. 18.Which number is the odd one out: 69, 13, 17, 47? (a) 69 (b) 13 (c) 17 (d) 47
  19. 19.Which number is the odd one out: 38, 19, 23, 31? (a) 38 (b) 19 (c) 23 (d) 31
  20. 20.Which number is the odd one out: 8, 42, 96, 88? (a) 8 (b) 42 (c) 96 (d) 88
  21. 21.Which number is the odd one out: 13, 19, 64, 71? (a) 13 (b) 19 (c) 64 (d) 71
  22. 22.Which number is the odd one out: 8, 4, 10, 16? (a) 8 (b) 4 (c) 10 (d) 16
  23. 23.Which number is the odd one out: 14, 6, 21, 77? (a) 14 (b) 6 (c) 21 (d) 77
  24. 24.Which number is the odd one out: 88, 8, 89, 32? (a) 88 (b) 8 (c) 89 (d) 32
  25. 25.Which number is the odd one out: 94, 59, 43, 17? (a) 94 (b) 59 (c) 43 (d) 17
  26. 26.Which number is the odd one out: 55, 10, 98, 85? (a) 55 (b) 10 (c) 98 (d) 85
  27. 27.Which number is the odd one out: 34, 94, 19, 26? (a) 34 (b) 94 (c) 19 (d) 26
  28. 28.Which number is the odd one out: 65, 54, 18, 74? (a) 65 (b) 54 (c) 18 (d) 74
  29. 29.Which number is the odd one out: 73, 13, 31, 9? (a) 73 (b) 13 (c) 31 (d) 9
  30. 30.Which number is the odd one out: 44, 32, 48, 30? (a) 44 (b) 32 (c) 48 (d) 30
  31. 31.Which number is the odd one out: 83, 41, 24, 29? (a) 83 (b) 41 (c) 24 (d) 29
  32. 32.Which number is the odd one out: 17, 96, 3, 43? (a) 17 (b) 96 (c) 3 (d) 43
  33. 33.Which number is the odd one out: 89, 83, 75, 73? (a) 89 (b) 83 (c) 75 (d) 73
  34. 34.Which number is the odd one out: 61, 5, 90, 11? (a) 61 (b) 5 (c) 90 (d) 11
  35. 35.Which number is the odd one out: 71, 73, 16, 37? (a) 71 (b) 73 (c) 16 (d) 37
  36. 36.Which number is the odd one out: 83, 41, 37, 20? (a) 83 (b) 41 (c) 37 (d) 20
  37. 37.Which number is the odd one out: 16, 64, 88, 38? (a) 16 (b) 64 (c) 88 (d) 38
  38. 38.Which number is the odd one out: 96, 16, 64, 78? (a) 96 (b) 16 (c) 64 (d) 78
  39. 39.Which number is the odd one out: 73, 67, 29, 76? (a) 73 (b) 67 (c) 29 (d) 76
  40. 40.Which number is the odd one out: 57, 59, 43, 67? (a) 57 (b) 59 (c) 43 (d) 67

Answer key

  1. 22
  2. 57
  3. 6
  4. 26
  5. 50
  6. 15
  7. 44
  8. 56
  9. 30
  10. 9
  11. 52
  12. 84
  13. 48
  14. 77
  15. 87
  16. 86
  17. 24
  18. 69
  19. 38
  20. 42
  21. 64
  22. 10
  23. 6
  24. 89
  25. 94
  26. 98
  27. 19
  28. 65
  29. 9
  30. 30
  31. 24
  32. 96
  33. 75
  34. 90
  35. 16
  36. 20
  37. 38
  38. 78
  39. 76
  40. 57

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