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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 287 · 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: 76, 37, 53, 61? (a) 76 (b) 37 (c) 53 (d) 61
  2. 2.Which number is the odd one out: 67, 10, 97, 5? (a) 67 (b) 10 (c) 97 (d) 5
  3. 3.Which number is the odd one out: 60, 40, 26, 24? (a) 60 (b) 40 (c) 26 (d) 24
  4. 4.Which number is the odd one out: 59, 23, 4, 47? (a) 59 (b) 23 (c) 4 (d) 47
  5. 5.Which number is the odd one out: 17, 44, 13, 71? (a) 17 (b) 44 (c) 13 (d) 71
  6. 6.Which number is the odd one out: 96, 35, 8, 60? (a) 96 (b) 35 (c) 8 (d) 60
  7. 7.Which number is the odd one out: 68, 79, 92, 26? (a) 68 (b) 79 (c) 92 (d) 26
  8. 8.Which number is the odd one out: 28, 23, 31, 83? (a) 28 (b) 23 (c) 31 (d) 83
  9. 9.Which number is the odd one out: 47, 9, 89, 29? (a) 47 (b) 9 (c) 89 (d) 29
  10. 10.Which number is the odd one out: 12, 6, 9, 36? (a) 12 (b) 6 (c) 9 (d) 36
  11. 11.Which number is the odd one out: 23, 44, 31, 37? (a) 23 (b) 44 (c) 31 (d) 37
  12. 12.Which number is the odd one out: 13, 61, 73, 26? (a) 13 (b) 61 (c) 73 (d) 26
  13. 13.Which number is the odd one out: 31, 29, 68, 19? (a) 31 (b) 29 (c) 68 (d) 19
  14. 14.Which number is the odd one out: 90, 45, 18, 91? (a) 90 (b) 45 (c) 18 (d) 91
  15. 15.Which number is the odd one out: 48, 96, 6, 89? (a) 48 (b) 96 (c) 6 (d) 89
  16. 16.Which number is the odd one out: 97, 59, 67, 27? (a) 97 (b) 59 (c) 67 (d) 27
  17. 17.Which number is the odd one out: 50, 13, 53, 97? (a) 50 (b) 13 (c) 53 (d) 97
  18. 18.Which number is the odd one out: 13, 27, 37, 3? (a) 13 (b) 27 (c) 37 (d) 3
  19. 19.Which number is the odd one out: 29, 15, 97, 11? (a) 29 (b) 15 (c) 97 (d) 11
  20. 20.Which number is the odd one out: 81, 10, 45, 50? (a) 81 (b) 10 (c) 45 (d) 50
  21. 21.Which number is the odd one out: 17, 19, 23, 14? (a) 17 (b) 19 (c) 23 (d) 14
  22. 22.Which number is the odd one out: 62, 78, 96, 48? (a) 62 (b) 78 (c) 96 (d) 48
  23. 23.Which number is the odd one out: 97, 73, 19, 49? (a) 97 (b) 73 (c) 19 (d) 49
  24. 24.Which number is the odd one out: 18, 54, 15, 99? (a) 18 (b) 54 (c) 15 (d) 99
  25. 25.Which number is the odd one out: 19, 32, 71, 53? (a) 19 (b) 32 (c) 71 (d) 53
  26. 26.Which number is the odd one out: 42, 35, 6, 26? (a) 42 (b) 35 (c) 6 (d) 26
  27. 27.Which number is the odd one out: 67, 33, 3, 83? (a) 67 (b) 33 (c) 3 (d) 83
  28. 28.Which number is the odd one out: 78, 6, 65, 46? (a) 78 (b) 6 (c) 65 (d) 46
  29. 29.Which number is the odd one out: 17, 41, 54, 31? (a) 17 (b) 41 (c) 54 (d) 31
  30. 30.Which number is the odd one out: 16, 89, 4, 64? (a) 16 (b) 89 (c) 4 (d) 64
  31. 31.Which number is the odd one out: 68, 11, 29, 97? (a) 68 (b) 11 (c) 29 (d) 97
  32. 32.Which number is the odd one out: 49, 64, 7, 16? (a) 49 (b) 64 (c) 7 (d) 16
  33. 33.Which number is the odd one out: 64, 36, 16, 90? (a) 64 (b) 36 (c) 16 (d) 90
  34. 34.Which number is the odd one out: 50, 83, 59, 23? (a) 50 (b) 83 (c) 59 (d) 23
  35. 35.Which number is the odd one out: 61, 18, 89, 19? (a) 61 (b) 18 (c) 89 (d) 19
  36. 36.Which number is the odd one out: 84, 2, 97, 17? (a) 84 (b) 2 (c) 97 (d) 17
  37. 37.Which number is the odd one out: 52, 13, 28, 98? (a) 52 (b) 13 (c) 28 (d) 98
  38. 38.Which number is the odd one out: 58, 22, 71, 86? (a) 58 (b) 22 (c) 71 (d) 86
  39. 39.Which number is the odd one out: 3, 2, 93, 33? (a) 3 (b) 2 (c) 93 (d) 33
  40. 40.Which number is the odd one out: 67, 83, 2, 50? (a) 67 (b) 83 (c) 2 (d) 50

Answer key

  1. 76
  2. 10
  3. 26
  4. 4
  5. 44
  6. 35
  7. 79
  8. 28
  9. 9
  10. 9
  11. 44
  12. 26
  13. 68
  14. 91
  15. 89
  16. 27
  17. 50
  18. 27
  19. 15
  20. 81
  21. 14
  22. 62
  23. 49
  24. 15
  25. 32
  26. 35
  27. 33
  28. 65
  29. 54
  30. 89
  31. 68
  32. 7
  33. 90
  34. 50
  35. 18
  36. 84
  37. 13
  38. 71
  39. 2
  40. 50

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