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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 846 · 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: 96, 53, 43, 11? (a) 96 (b) 53 (c) 43 (d) 11
  2. 2.Which number is the odd one out: 48, 2, 23, 83? (a) 48 (b) 2 (c) 23 (d) 83
  3. 3.Which number is the odd one out: 17, 48, 71, 87? (a) 17 (b) 48 (c) 71 (d) 87
  4. 4.Which number is the odd one out: 13, 68, 47, 89? (a) 13 (b) 68 (c) 47 (d) 89
  5. 5.Which number is the odd one out: 72, 97, 61, 19? (a) 72 (b) 97 (c) 61 (d) 19
  6. 6.Which number is the odd one out: 41, 13, 76, 2? (a) 41 (b) 13 (c) 76 (d) 2
  7. 7.Which number is the odd one out: 23, 73, 32, 11? (a) 23 (b) 73 (c) 32 (d) 11
  8. 8.Which number is the odd one out: 24, 35, 96, 88? (a) 24 (b) 35 (c) 96 (d) 88
  9. 9.Which number is the odd one out: 2, 13, 10, 31? (a) 2 (b) 13 (c) 10 (d) 31
  10. 10.Which number is the odd one out: 73, 10, 19, 43? (a) 73 (b) 10 (c) 19 (d) 43
  11. 11.Which number is the odd one out: 78, 24, 96, 33? (a) 78 (b) 24 (c) 96 (d) 33
  12. 12.Which number is the odd one out: 96, 43, 24, 32? (a) 96 (b) 43 (c) 24 (d) 32
  13. 13.Which number is the odd one out: 29, 13, 40, 5? (a) 29 (b) 13 (c) 40 (d) 5
  14. 14.Which number is the odd one out: 2, 19, 79, 17? (a) 2 (b) 19 (c) 79 (d) 17
  15. 15.Which number is the odd one out: 67, 28, 31, 13? (a) 67 (b) 28 (c) 31 (d) 13
  16. 16.Which number is the odd one out: 11, 42, 89, 83? (a) 11 (b) 42 (c) 89 (d) 83
  17. 17.Which number is the odd one out: 21, 28, 12, 91? (a) 21 (b) 28 (c) 12 (d) 91
  18. 18.Which number is the odd one out: 83, 67, 53, 96? (a) 83 (b) 67 (c) 53 (d) 96
  19. 19.Which number is the odd one out: 37, 11, 98, 13? (a) 37 (b) 11 (c) 98 (d) 13
  20. 20.Which number is the odd one out: 65, 14, 85, 70? (a) 65 (b) 14 (c) 85 (d) 70
  21. 21.Which number is the odd one out: 43, 13, 6, 11? (a) 43 (b) 13 (c) 6 (d) 11
  22. 22.Which number is the odd one out: 48, 88, 34, 96? (a) 48 (b) 88 (c) 34 (d) 96
  23. 23.Which number is the odd one out: 12, 48, 8, 53? (a) 12 (b) 48 (c) 8 (d) 53
  24. 24.Which number is the odd one out: 32, 43, 96, 48? (a) 32 (b) 43 (c) 96 (d) 48
  25. 25.Which number is the odd one out: 61, 54, 13, 47? (a) 61 (b) 54 (c) 13 (d) 47
  26. 26.Which number is the odd one out: 7, 3, 78, 42? (a) 7 (b) 3 (c) 78 (d) 42
  27. 27.Which number is the odd one out: 25, 16, 85, 65? (a) 25 (b) 16 (c) 85 (d) 65
  28. 28.Which number is the odd one out: 61, 95, 37, 19? (a) 61 (b) 95 (c) 37 (d) 19
  29. 29.Which number is the odd one out: 8, 64, 32, 9? (a) 8 (b) 64 (c) 32 (d) 9
  30. 30.Which number is the odd one out: 50, 81, 9, 25? (a) 50 (b) 81 (c) 9 (d) 25
  31. 31.Which number is the odd one out: 12, 55, 6, 60? (a) 12 (b) 55 (c) 6 (d) 60
  32. 32.Which number is the odd one out: 69, 51, 87, 53? (a) 69 (b) 51 (c) 87 (d) 53
  33. 33.Which number is the odd one out: 64, 90, 40, 16? (a) 64 (b) 90 (c) 40 (d) 16
  34. 34.Which number is the odd one out: 61, 11, 37, 32? (a) 61 (b) 11 (c) 37 (d) 32
  35. 35.Which number is the odd one out: 16, 53, 4, 8? (a) 16 (b) 53 (c) 4 (d) 8
  36. 36.Which number is the odd one out: 20, 40, 80, 83? (a) 20 (b) 40 (c) 80 (d) 83
  37. 37.Which number is the odd one out: 96, 67, 61, 97? (a) 96 (b) 67 (c) 61 (d) 97
  38. 38.Which number is the odd one out: 81, 89, 51, 9? (a) 81 (b) 89 (c) 51 (d) 9
  39. 39.Which number is the odd one out: 75, 55, 50, 78? (a) 75 (b) 55 (c) 50 (d) 78
  40. 40.Which number is the odd one out: 13, 96, 43, 67? (a) 13 (b) 96 (c) 43 (d) 67

Answer key

  1. 96
  2. 48
  3. 48
  4. 68
  5. 72
  6. 76
  7. 32
  8. 35
  9. 10
  10. 10
  11. 33
  12. 43
  13. 40
  14. 2
  15. 28
  16. 42
  17. 12
  18. 96
  19. 98
  20. 14
  21. 6
  22. 34
  23. 53
  24. 43
  25. 54
  26. 7
  27. 16
  28. 95
  29. 9
  30. 50
  31. 55
  32. 53
  33. 90
  34. 32
  35. 53
  36. 83
  37. 96
  38. 89
  39. 78
  40. 96

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