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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 563 · 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: 49, 64, 77, 98? (a) 49 (b) 64 (c) 77 (d) 98
  2. 2.Which number is the odd one out: 53, 5, 29, 90? (a) 53 (b) 5 (c) 29 (d) 90
  3. 3.Which number is the odd one out: 19, 14, 59, 13? (a) 19 (b) 14 (c) 59 (d) 13
  4. 4.Which number is the odd one out: 24, 45, 72, 48? (a) 24 (b) 45 (c) 72 (d) 48
  5. 5.Which number is the odd one out: 67, 73, 59, 78? (a) 67 (b) 73 (c) 59 (d) 78
  6. 6.Which number is the odd one out: 31, 29, 30, 71? (a) 31 (b) 29 (c) 30 (d) 71
  7. 7.Which number is the odd one out: 48, 2, 24, 96? (a) 48 (b) 2 (c) 24 (d) 96
  8. 8.Which number is the odd one out: 16, 4, 72, 36? (a) 16 (b) 4 (c) 72 (d) 36
  9. 9.Which number is the odd one out: 92, 16, 97, 64? (a) 92 (b) 16 (c) 97 (d) 64
  10. 10.Which number is the odd one out: 73, 12, 71, 2? (a) 73 (b) 12 (c) 71 (d) 2
  11. 11.Which number is the odd one out: 68, 83, 29, 73? (a) 68 (b) 83 (c) 29 (d) 73
  12. 12.Which number is the odd one out: 89, 50, 83, 97? (a) 89 (b) 50 (c) 83 (d) 97
  13. 13.Which number is the odd one out: 13, 37, 2, 12? (a) 13 (b) 37 (c) 2 (d) 12
  14. 14.Which number is the odd one out: 53, 89, 7, 14? (a) 53 (b) 89 (c) 7 (d) 14
  15. 15.Which number is the odd one out: 30, 67, 89, 71? (a) 30 (b) 67 (c) 89 (d) 71
  16. 16.Which number is the odd one out: 8, 20, 64, 25? (a) 8 (b) 20 (c) 64 (d) 25
  17. 17.Which number is the odd one out: 42, 29, 11, 19? (a) 42 (b) 29 (c) 11 (d) 19
  18. 18.Which number is the odd one out: 9, 81, 40, 4? (a) 9 (b) 81 (c) 40 (d) 4
  19. 19.Which number is the odd one out: 23, 30, 2, 53? (a) 23 (b) 30 (c) 2 (d) 53
  20. 20.Which number is the odd one out: 23, 17, 65, 53? (a) 23 (b) 17 (c) 65 (d) 53
  21. 21.Which number is the odd one out: 47, 17, 98, 7? (a) 47 (b) 17 (c) 98 (d) 7
  22. 22.Which number is the odd one out: 78, 11, 43, 71? (a) 78 (b) 11 (c) 43 (d) 71
  23. 23.Which number is the odd one out: 7, 70, 83, 13? (a) 7 (b) 70 (c) 83 (d) 13
  24. 24.Which number is the odd one out: 7, 13, 79, 91? (a) 7 (b) 13 (c) 79 (d) 91
  25. 25.Which number is the odd one out: 4, 88, 16, 45? (a) 4 (b) 88 (c) 16 (d) 45
  26. 26.Which number is the odd one out: 35, 8, 91, 95? (a) 35 (b) 8 (c) 91 (d) 95
  27. 27.Which number is the odd one out: 36, 18, 66, 16? (a) 36 (b) 18 (c) 66 (d) 16
  28. 28.Which number is the odd one out: 2, 61, 20, 43? (a) 2 (b) 61 (c) 20 (d) 43
  29. 29.Which number is the odd one out: 31, 70, 13, 17? (a) 31 (b) 70 (c) 13 (d) 17
  30. 30.Which number is the odd one out: 23, 10, 11, 2? (a) 23 (b) 10 (c) 11 (d) 2
  31. 31.Which number is the odd one out: 32, 8, 16, 49? (a) 32 (b) 8 (c) 16 (d) 49
  32. 32.Which number is the odd one out: 30, 17, 13, 3? (a) 30 (b) 17 (c) 13 (d) 3
  33. 33.Which number is the odd one out: 18, 61, 23, 53? (a) 18 (b) 61 (c) 23 (d) 53
  34. 34.Which number is the odd one out: 11, 43, 2, 18? (a) 11 (b) 43 (c) 2 (d) 18
  35. 35.Which number is the odd one out: 59, 84, 11, 73? (a) 59 (b) 84 (c) 11 (d) 73
  36. 36.Which number is the odd one out: 61, 43, 91, 37? (a) 61 (b) 43 (c) 91 (d) 37
  37. 37.Which number is the odd one out: 32, 56, 98, 8? (a) 32 (b) 56 (c) 98 (d) 8
  38. 38.Which number is the odd one out: 17, 33, 59, 19? (a) 17 (b) 33 (c) 59 (d) 19
  39. 39.Which number is the odd one out: 16, 13, 73, 83? (a) 16 (b) 13 (c) 73 (d) 83
  40. 40.Which number is the odd one out: 13, 50, 65, 73? (a) 13 (b) 50 (c) 65 (d) 73

Answer key

  1. 64
  2. 90
  3. 14
  4. 45
  5. 78
  6. 30
  7. 2
  8. 72
  9. 97
  10. 12
  11. 68
  12. 50
  13. 12
  14. 14
  15. 30
  16. 25
  17. 42
  18. 40
  19. 30
  20. 65
  21. 98
  22. 78
  23. 70
  24. 91
  25. 45
  26. 8
  27. 16
  28. 20
  29. 70
  30. 10
  31. 49
  32. 30
  33. 18
  34. 18
  35. 84
  36. 91
  37. 98
  38. 33
  39. 16
  40. 50

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