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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 695 · 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: 48, 24, 78, 50? (a) 48 (b) 24 (c) 78 (d) 50
  2. 2.Which number is the odd one out: 29, 10, 67, 89? (a) 29 (b) 10 (c) 67 (d) 89
  3. 3.Which number is the odd one out: 67, 29, 13, 78? (a) 67 (b) 29 (c) 13 (d) 78
  4. 4.Which number is the odd one out: 17, 2, 16, 61? (a) 17 (b) 2 (c) 16 (d) 61
  5. 5.Which number is the odd one out: 4, 46, 64, 8? (a) 4 (b) 46 (c) 64 (d) 8
  6. 6.Which number is the odd one out: 38, 77, 91, 14? (a) 38 (b) 77 (c) 91 (d) 14
  7. 7.Which number is the odd one out: 61, 22, 86, 38? (a) 61 (b) 22 (c) 86 (d) 38
  8. 8.Which number is the odd one out: 71, 96, 73, 31? (a) 71 (b) 96 (c) 73 (d) 31
  9. 9.Which number is the odd one out: 61, 29, 47, 8? (a) 61 (b) 29 (c) 47 (d) 8
  10. 10.Which number is the odd one out: 83, 33, 3, 32? (a) 83 (b) 33 (c) 3 (d) 32
  11. 11.Which number is the odd one out: 30, 11, 79, 5? (a) 30 (b) 11 (c) 79 (d) 5
  12. 12.Which number is the odd one out: 57, 83, 71, 60? (a) 57 (b) 83 (c) 71 (d) 60
  13. 13.Which number is the odd one out: 51, 19, 24, 96? (a) 51 (b) 19 (c) 24 (d) 96
  14. 14.Which number is the odd one out: 55, 80, 48, 95? (a) 55 (b) 80 (c) 48 (d) 95
  15. 15.Which number is the odd one out: 18, 37, 89, 47? (a) 18 (b) 37 (c) 89 (d) 47
  16. 16.Which number is the odd one out: 30, 73, 79, 19? (a) 30 (b) 73 (c) 79 (d) 19
  17. 17.Which number is the odd one out: 17, 23, 31, 49? (a) 17 (b) 23 (c) 31 (d) 49
  18. 18.Which number is the odd one out: 60, 91, 96, 40? (a) 60 (b) 91 (c) 96 (d) 40
  19. 19.Which number is the odd one out: 24, 96, 49, 21? (a) 24 (b) 96 (c) 49 (d) 21
  20. 20.Which number is the odd one out: 40, 97, 73, 61? (a) 40 (b) 97 (c) 73 (d) 61
  21. 21.Which number is the odd one out: 55, 31, 83, 67? (a) 55 (b) 31 (c) 83 (d) 67
  22. 22.Which number is the odd one out: 67, 89, 31, 40? (a) 67 (b) 89 (c) 31 (d) 40
  23. 23.Which number is the odd one out: 29, 33, 3, 51? (a) 29 (b) 33 (c) 3 (d) 51
  24. 24.Which number is the odd one out: 83, 72, 53, 47? (a) 83 (b) 72 (c) 53 (d) 47
  25. 25.Which number is the odd one out: 61, 23, 28, 41? (a) 61 (b) 23 (c) 28 (d) 41
  26. 26.Which number is the odd one out: 73, 47, 38, 41? (a) 73 (b) 47 (c) 38 (d) 41
  27. 27.Which number is the odd one out: 70, 11, 73, 59? (a) 70 (b) 11 (c) 73 (d) 59
  28. 28.Which number is the odd one out: 40, 80, 20, 93? (a) 40 (b) 80 (c) 20 (d) 93
  29. 29.Which number is the odd one out: 80, 29, 53, 23? (a) 80 (b) 29 (c) 53 (d) 23
  30. 30.Which number is the odd one out: 41, 80, 19, 37? (a) 41 (b) 80 (c) 19 (d) 37
  31. 31.Which number is the odd one out: 8, 48, 19, 78? (a) 8 (b) 48 (c) 19 (d) 78
  32. 32.Which number is the odd one out: 64, 73, 17, 11? (a) 64 (b) 73 (c) 17 (d) 11
  33. 33.Which number is the odd one out: 47, 37, 19, 14? (a) 47 (b) 37 (c) 19 (d) 14
  34. 34.Which number is the odd one out: 3, 37, 15, 53? (a) 3 (b) 37 (c) 15 (d) 53
  35. 35.Which number is the odd one out: 59, 92, 2, 47? (a) 59 (b) 92 (c) 2 (d) 47
  36. 36.Which number is the odd one out: 17, 43, 79, 60? (a) 17 (b) 43 (c) 79 (d) 60
  37. 37.Which number is the odd one out: 2, 68, 37, 71? (a) 2 (b) 68 (c) 37 (d) 71
  38. 38.Which number is the odd one out: 43, 11, 8, 89? (a) 43 (b) 11 (c) 8 (d) 89
  39. 39.Which number is the odd one out: 67, 15, 13, 31? (a) 67 (b) 15 (c) 13 (d) 31
  40. 40.Which number is the odd one out: 31, 93, 29, 41? (a) 31 (b) 93 (c) 29 (d) 41

Answer key

  1. 50
  2. 10
  3. 78
  4. 16
  5. 46
  6. 38
  7. 61
  8. 96
  9. 8
  10. 32
  11. 30
  12. 60
  13. 19
  14. 48
  15. 18
  16. 30
  17. 49
  18. 91
  19. 49
  20. 40
  21. 55
  22. 40
  23. 29
  24. 72
  25. 28
  26. 38
  27. 70
  28. 93
  29. 80
  30. 80
  31. 19
  32. 64
  33. 14
  34. 15
  35. 92
  36. 60
  37. 68
  38. 8
  39. 15
  40. 93

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