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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 858 · 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: 95, 50, 65, 24? (a) 95 (b) 50 (c) 65 (d) 24
  2. 2.Which number is the odd one out: 44, 19, 73, 37? (a) 44 (b) 19 (c) 73 (d) 37
  3. 3.Which number is the odd one out: 94, 40, 20, 80? (a) 94 (b) 40 (c) 20 (d) 80
  4. 4.Which number is the odd one out: 65, 97, 79, 60? (a) 65 (b) 97 (c) 79 (d) 60
  5. 5.Which number is the odd one out: 24, 96, 32, 77? (a) 24 (b) 96 (c) 32 (d) 77
  6. 6.Which number is the odd one out: 25, 23, 11, 41? (a) 25 (b) 23 (c) 11 (d) 41
  7. 7.Which number is the odd one out: 97, 72, 61, 83? (a) 97 (b) 72 (c) 61 (d) 83
  8. 8.Which number is the odd one out: 11, 67, 53, 76? (a) 11 (b) 67 (c) 53 (d) 76
  9. 9.Which number is the odd one out: 59, 20, 31, 89? (a) 59 (b) 20 (c) 31 (d) 89
  10. 10.Which number is the odd one out: 43, 65, 59, 89? (a) 43 (b) 65 (c) 59 (d) 89
  11. 11.Which number is the odd one out: 87, 59, 31, 83? (a) 87 (b) 59 (c) 31 (d) 83
  12. 12.Which number is the odd one out: 6, 70, 35, 85? (a) 6 (b) 70 (c) 35 (d) 85
  13. 13.Which number is the odd one out: 79, 17, 19, 16? (a) 79 (b) 17 (c) 19 (d) 16
  14. 14.Which number is the odd one out: 96, 8, 48, 14? (a) 96 (b) 8 (c) 48 (d) 14
  15. 15.Which number is the odd one out: 90, 54, 15, 18? (a) 90 (b) 54 (c) 15 (d) 18
  16. 16.Which number is the odd one out: 59, 83, 19, 2? (a) 59 (b) 83 (c) 19 (d) 2
  17. 17.Which number is the odd one out: 82, 83, 19, 47? (a) 82 (b) 83 (c) 19 (d) 47
  18. 18.Which number is the odd one out: 86, 8, 15, 40? (a) 86 (b) 8 (c) 15 (d) 40
  19. 19.Which number is the odd one out: 97, 38, 83, 47? (a) 97 (b) 38 (c) 83 (d) 47
  20. 20.Which number is the odd one out: 11, 17, 21, 13? (a) 11 (b) 17 (c) 21 (d) 13
  21. 21.Which number is the odd one out: 73, 89, 47, 74? (a) 73 (b) 89 (c) 47 (d) 74
  22. 22.Which number is the odd one out: 69, 13, 53, 71? (a) 69 (b) 13 (c) 53 (d) 71
  23. 23.Which number is the odd one out: 24, 68, 96, 53? (a) 24 (b) 68 (c) 96 (d) 53
  24. 24.Which number is the odd one out: 90, 41, 79, 97? (a) 90 (b) 41 (c) 79 (d) 97
  25. 25.Which number is the odd one out: 28, 61, 71, 97? (a) 28 (b) 61 (c) 71 (d) 97
  26. 26.Which number is the odd one out: 99, 45, 55, 95? (a) 99 (b) 45 (c) 55 (d) 95
  27. 27.Which number is the odd one out: 14, 13, 89, 53? (a) 14 (b) 13 (c) 89 (d) 53
  28. 28.Which number is the odd one out: 31, 47, 98, 53? (a) 31 (b) 47 (c) 98 (d) 53
  29. 29.Which number is the odd one out: 29, 53, 59, 86? (a) 29 (b) 53 (c) 59 (d) 86
  30. 30.Which number is the odd one out: 24, 18, 72, 54? (a) 24 (b) 18 (c) 72 (d) 54
  31. 31.Which number is the odd one out: 17, 23, 98, 77? (a) 17 (b) 23 (c) 98 (d) 77
  32. 32.Which number is the odd one out: 5, 35, 61, 13? (a) 5 (b) 35 (c) 61 (d) 13
  33. 33.Which number is the odd one out: 70, 17, 2, 5? (a) 70 (b) 17 (c) 2 (d) 5
  34. 34.Which number is the odd one out: 19, 5, 80, 29? (a) 19 (b) 5 (c) 80 (d) 29
  35. 35.Which number is the odd one out: 19, 61, 37, 28? (a) 19 (b) 61 (c) 37 (d) 28
  36. 36.Which number is the odd one out: 8, 88, 60, 40? (a) 8 (b) 88 (c) 60 (d) 40
  37. 37.Which number is the odd one out: 23, 59, 61, 70? (a) 23 (b) 59 (c) 61 (d) 70
  38. 38.Which number is the odd one out: 24, 17, 23, 2? (a) 24 (b) 17 (c) 23 (d) 2
  39. 39.Which number is the odd one out: 5, 20, 17, 41? (a) 5 (b) 20 (c) 17 (d) 41
  40. 40.Which number is the odd one out: 14, 91, 19, 41? (a) 14 (b) 91 (c) 19 (d) 41

Answer key

  1. 24
  2. 44
  3. 94
  4. 60
  5. 77
  6. 25
  7. 72
  8. 76
  9. 20
  10. 65
  11. 87
  12. 6
  13. 16
  14. 14
  15. 15
  16. 2
  17. 82
  18. 15
  19. 38
  20. 21
  21. 74
  22. 69
  23. 53
  24. 90
  25. 28
  26. 99
  27. 14
  28. 98
  29. 86
  30. 24
  31. 98
  32. 35
  33. 70
  34. 80
  35. 28
  36. 60
  37. 70
  38. 24
  39. 20
  40. 14

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