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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 294 · 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: 24, 80, 95, 55? (a) 24 (b) 80 (c) 95 (d) 55
  2. 2.Which number is the odd one out: 5, 30, 11, 83? (a) 5 (b) 30 (c) 11 (d) 83
  3. 3.Which number is the odd one out: 36, 73, 3, 53? (a) 36 (b) 73 (c) 3 (d) 53
  4. 4.Which number is the odd one out: 31, 73, 14, 59? (a) 31 (b) 73 (c) 14 (d) 59
  5. 5.Which number is the odd one out: 71, 67, 36, 31? (a) 71 (b) 67 (c) 36 (d) 31
  6. 6.Which number is the odd one out: 71, 62, 26, 38? (a) 71 (b) 62 (c) 26 (d) 38
  7. 7.Which number is the odd one out: 89, 41, 51, 17? (a) 89 (b) 41 (c) 51 (d) 17
  8. 8.Which number is the odd one out: 72, 29, 37, 39? (a) 72 (b) 29 (c) 37 (d) 39
  9. 9.Which number is the odd one out: 37, 54, 17, 13? (a) 37 (b) 54 (c) 17 (d) 13
  10. 10.Which number is the odd one out: 89, 13, 26, 47? (a) 89 (b) 13 (c) 26 (d) 47
  11. 11.Which number is the odd one out: 13, 97, 4, 19? (a) 13 (b) 97 (c) 4 (d) 19
  12. 12.Which number is the odd one out: 59, 23, 43, 65? (a) 59 (b) 23 (c) 43 (d) 65
  13. 13.Which number is the odd one out: 83, 97, 10, 71? (a) 83 (b) 97 (c) 10 (d) 71
  14. 14.Which number is the odd one out: 94, 73, 71, 2? (a) 94 (b) 73 (c) 71 (d) 2
  15. 15.Which number is the odd one out: 40, 14, 7, 80? (a) 40 (b) 14 (c) 7 (d) 80
  16. 16.Which number is the odd one out: 31, 32, 37, 61? (a) 31 (b) 32 (c) 37 (d) 61
  17. 17.Which number is the odd one out: 16, 32, 64, 41? (a) 16 (b) 32 (c) 64 (d) 41
  18. 18.Which number is the odd one out: 59, 45, 53, 90? (a) 59 (b) 45 (c) 53 (d) 90
  19. 19.Which number is the odd one out: 11, 29, 53, 91? (a) 11 (b) 29 (c) 53 (d) 91
  20. 20.Which number is the odd one out: 89, 97, 73, 72? (a) 89 (b) 97 (c) 73 (d) 72
  21. 21.Which number is the odd one out: 71, 53, 88, 11? (a) 71 (b) 53 (c) 88 (d) 11
  22. 22.Which number is the odd one out: 59, 71, 15, 13? (a) 59 (b) 71 (c) 15 (d) 13
  23. 23.Which number is the odd one out: 71, 13, 47, 77? (a) 71 (b) 13 (c) 47 (d) 77
  24. 24.Which number is the odd one out: 24, 77, 91, 56? (a) 24 (b) 77 (c) 91 (d) 56
  25. 25.Which number is the odd one out: 90, 2, 5, 83? (a) 90 (b) 2 (c) 5 (d) 83
  26. 26.Which number is the odd one out: 67, 83, 13, 92? (a) 67 (b) 83 (c) 13 (d) 92
  27. 27.Which number is the odd one out: 58, 3, 43, 51? (a) 58 (b) 3 (c) 43 (d) 51
  28. 28.Which number is the odd one out: 83, 19, 91, 73? (a) 83 (b) 19 (c) 91 (d) 73
  29. 29.Which number is the odd one out: 66, 23, 83, 97? (a) 66 (b) 23 (c) 83 (d) 97
  30. 30.Which number is the odd one out: 10, 40, 16, 64? (a) 10 (b) 40 (c) 16 (d) 64
  31. 31.Which number is the odd one out: 42, 17, 37, 23? (a) 42 (b) 17 (c) 37 (d) 23
  32. 32.Which number is the odd one out: 89, 4, 16, 64? (a) 89 (b) 4 (c) 16 (d) 64
  33. 33.Which number is the odd one out: 70, 84, 12, 30? (a) 70 (b) 84 (c) 12 (d) 30
  34. 34.Which number is the odd one out: 35, 91, 30, 98? (a) 35 (b) 91 (c) 30 (d) 98
  35. 35.Which number is the odd one out: 31, 13, 90, 67? (a) 31 (b) 13 (c) 90 (d) 67
  36. 36.Which number is the odd one out: 53, 31, 61, 10? (a) 53 (b) 31 (c) 61 (d) 10
  37. 37.Which number is the odd one out: 57, 68, 88, 32? (a) 57 (b) 68 (c) 88 (d) 32
  38. 38.Which number is the odd one out: 61, 71, 43, 12? (a) 61 (b) 71 (c) 43 (d) 12
  39. 39.Which number is the odd one out: 31, 96, 3, 43? (a) 31 (b) 96 (c) 3 (d) 43
  40. 40.Which number is the odd one out: 23, 41, 40, 11? (a) 23 (b) 41 (c) 40 (d) 11

Answer key

  1. 24
  2. 30
  3. 36
  4. 14
  5. 36
  6. 71
  7. 51
  8. 72
  9. 54
  10. 26
  11. 4
  12. 65
  13. 10
  14. 94
  15. 7
  16. 32
  17. 41
  18. 90
  19. 91
  20. 72
  21. 88
  22. 15
  23. 77
  24. 24
  25. 90
  26. 92
  27. 58
  28. 91
  29. 66
  30. 10
  31. 42
  32. 89
  33. 70
  34. 30
  35. 90
  36. 10
  37. 57
  38. 12
  39. 96
  40. 40

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