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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 258 · 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: 97, 46, 13, 11? (a) 97 (b) 46 (c) 13 (d) 11
  2. 2.Which number is the odd one out: 41, 29, 97, 22? (a) 41 (b) 29 (c) 97 (d) 22
  3. 3.Which number is the odd one out: 47, 3, 21, 59? (a) 47 (b) 3 (c) 21 (d) 59
  4. 4.Which number is the odd one out: 47, 11, 8, 13? (a) 47 (b) 11 (c) 8 (d) 13
  5. 5.Which number is the odd one out: 19, 47, 83, 10? (a) 19 (b) 47 (c) 83 (d) 10
  6. 6.Which number is the odd one out: 19, 40, 61, 59? (a) 19 (b) 40 (c) 61 (d) 59
  7. 7.Which number is the odd one out: 47, 61, 66, 29? (a) 47 (b) 61 (c) 66 (d) 29
  8. 8.Which number is the odd one out: 19, 17, 3, 57? (a) 19 (b) 17 (c) 3 (d) 57
  9. 9.Which number is the odd one out: 41, 71, 2, 72? (a) 41 (b) 71 (c) 2 (d) 72
  10. 10.Which number is the odd one out: 29, 55, 5, 47? (a) 29 (b) 55 (c) 5 (d) 47
  11. 11.Which number is the odd one out: 37, 73, 67, 66? (a) 37 (b) 73 (c) 67 (d) 66
  12. 12.Which number is the odd one out: 88, 66, 60, 30? (a) 88 (b) 66 (c) 60 (d) 30
  13. 13.Which number is the odd one out: 18, 25, 54, 81? (a) 18 (b) 25 (c) 54 (d) 81
  14. 14.Which number is the odd one out: 61, 95, 30, 31? (a) 61 (b) 95 (c) 30 (d) 31
  15. 15.Which number is the odd one out: 32, 48, 96, 5? (a) 32 (b) 48 (c) 96 (d) 5
  16. 16.Which number is the odd one out: 61, 3, 57, 20? (a) 61 (b) 3 (c) 57 (d) 20
  17. 17.Which number is the odd one out: 88, 80, 55, 8? (a) 88 (b) 80 (c) 55 (d) 8
  18. 18.Which number is the odd one out: 28, 49, 77, 4? (a) 28 (b) 49 (c) 77 (d) 4
  19. 19.Which number is the odd one out: 20, 35, 24, 48? (a) 20 (b) 35 (c) 24 (d) 48
  20. 20.Which number is the odd one out: 14, 28, 96, 42? (a) 14 (b) 28 (c) 96 (d) 42
  21. 21.Which number is the odd one out: 75, 37, 71, 29? (a) 75 (b) 37 (c) 71 (d) 29
  22. 22.Which number is the odd one out: 54, 7, 91, 29? (a) 54 (b) 7 (c) 91 (d) 29
  23. 23.Which number is the odd one out: 48, 96, 40, 85? (a) 48 (b) 96 (c) 40 (d) 85
  24. 24.Which number is the odd one out: 89, 43, 58, 29? (a) 89 (b) 43 (c) 58 (d) 29
  25. 25.Which number is the odd one out: 55, 85, 4, 50? (a) 55 (b) 85 (c) 4 (d) 50
  26. 26.Which number is the odd one out: 39, 47, 19, 97? (a) 39 (b) 47 (c) 19 (d) 97
  27. 27.Which number is the odd one out: 19, 22, 2, 47? (a) 19 (b) 22 (c) 2 (d) 47
  28. 28.Which number is the odd one out: 11, 47, 26, 97? (a) 11 (b) 47 (c) 26 (d) 97
  29. 29.Which number is the odd one out: 88, 59, 53, 29? (a) 88 (b) 59 (c) 53 (d) 29
  30. 30.Which number is the odd one out: 45, 41, 5, 73? (a) 45 (b) 41 (c) 5 (d) 73
  31. 31.Which number is the odd one out: 80, 96, 30, 8? (a) 80 (b) 96 (c) 30 (d) 8
  32. 32.Which number is the odd one out: 32, 68, 99, 8? (a) 32 (b) 68 (c) 99 (d) 8
  33. 33.Which number is the odd one out: 13, 89, 92, 79? (a) 13 (b) 89 (c) 92 (d) 79
  34. 34.Which number is the odd one out: 13, 40, 29, 59? (a) 13 (b) 40 (c) 29 (d) 59
  35. 35.Which number is the odd one out: 40, 89, 47, 71? (a) 40 (b) 89 (c) 47 (d) 71
  36. 36.Which number is the odd one out: 77, 91, 81, 63? (a) 77 (b) 91 (c) 81 (d) 63
  37. 37.Which number is the odd one out: 59, 2, 94, 67? (a) 59 (b) 2 (c) 94 (d) 67
  38. 38.Which number is the odd one out: 77, 34, 41, 7? (a) 77 (b) 34 (c) 41 (d) 7
  39. 39.Which number is the odd one out: 88, 14, 98, 56? (a) 88 (b) 14 (c) 98 (d) 56
  40. 40.Which number is the odd one out: 22, 40, 48, 60? (a) 22 (b) 40 (c) 48 (d) 60

Answer key

  1. 46
  2. 22
  3. 21
  4. 8
  5. 10
  6. 40
  7. 66
  8. 57
  9. 72
  10. 55
  11. 66
  12. 88
  13. 25
  14. 30
  15. 5
  16. 20
  17. 55
  18. 4
  19. 35
  20. 96
  21. 75
  22. 54
  23. 85
  24. 58
  25. 4
  26. 39
  27. 22
  28. 26
  29. 88
  30. 45
  31. 30
  32. 99
  33. 92
  34. 40
  35. 40
  36. 81
  37. 94
  38. 34
  39. 88
  40. 22

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