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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 402 · 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: 38, 41, 23, 13? (a) 38 (b) 41 (c) 23 (d) 13
  2. 2.Which number is the odd one out: 73, 17, 85, 5? (a) 73 (b) 17 (c) 85 (d) 5
  3. 3.Which number is the odd one out: 23, 85, 83, 47? (a) 23 (b) 85 (c) 83 (d) 47
  4. 4.Which number is the odd one out: 80, 40, 32, 11? (a) 80 (b) 40 (c) 32 (d) 11
  5. 5.Which number is the odd one out: 18, 30, 67, 90? (a) 18 (b) 30 (c) 67 (d) 90
  6. 6.Which number is the odd one out: 37, 22, 53, 67? (a) 37 (b) 22 (c) 53 (d) 67
  7. 7.Which number is the odd one out: 62, 64, 32, 16? (a) 62 (b) 64 (c) 32 (d) 16
  8. 8.Which number is the odd one out: 9, 53, 23, 73? (a) 9 (b) 53 (c) 23 (d) 73
  9. 9.Which number is the odd one out: 37, 13, 21, 84? (a) 37 (b) 13 (c) 21 (d) 84
  10. 10.Which number is the odd one out: 35, 60, 52, 84? (a) 35 (b) 60 (c) 52 (d) 84
  11. 11.Which number is the odd one out: 80, 88, 5, 8? (a) 80 (b) 88 (c) 5 (d) 8
  12. 12.Which number is the odd one out: 63, 75, 45, 91? (a) 63 (b) 75 (c) 45 (d) 91
  13. 13.Which number is the odd one out: 48, 6, 11, 24? (a) 48 (b) 6 (c) 11 (d) 24
  14. 14.Which number is the odd one out: 27, 64, 16, 4? (a) 27 (b) 64 (c) 16 (d) 4
  15. 15.Which number is the odd one out: 30, 53, 3, 97? (a) 30 (b) 53 (c) 3 (d) 97
  16. 16.Which number is the odd one out: 74, 71, 86, 62? (a) 74 (b) 71 (c) 86 (d) 62
  17. 17.Which number is the odd one out: 71, 12, 83, 31? (a) 71 (b) 12 (c) 83 (d) 31
  18. 18.Which number is the odd one out: 61, 23, 98, 43? (a) 61 (b) 23 (c) 98 (d) 43
  19. 19.Which number is the odd one out: 65, 9, 25, 55? (a) 65 (b) 9 (c) 25 (d) 55
  20. 20.Which number is the odd one out: 91, 16, 64, 4? (a) 91 (b) 16 (c) 64 (d) 4
  21. 21.Which number is the odd one out: 48, 93, 13, 43? (a) 48 (b) 93 (c) 13 (d) 43
  22. 22.Which number is the odd one out: 26, 31, 53, 89? (a) 26 (b) 31 (c) 53 (d) 89
  23. 23.Which number is the odd one out: 92, 79, 44, 76? (a) 92 (b) 79 (c) 44 (d) 76
  24. 24.Which number is the odd one out: 11, 2, 18, 61? (a) 11 (b) 2 (c) 18 (d) 61
  25. 25.Which number is the odd one out: 13, 79, 47, 21? (a) 13 (b) 79 (c) 47 (d) 21
  26. 26.Which number is the odd one out: 69, 19, 83, 17? (a) 69 (b) 19 (c) 83 (d) 17
  27. 27.Which number is the odd one out: 48, 70, 96, 56? (a) 48 (b) 70 (c) 96 (d) 56
  28. 28.Which number is the odd one out: 59, 13, 47, 69? (a) 59 (b) 13 (c) 47 (d) 69
  29. 29.Which number is the odd one out: 3, 23, 51, 19? (a) 3 (b) 23 (c) 51 (d) 19
  30. 30.Which number is the odd one out: 89, 61, 29, 45? (a) 89 (b) 61 (c) 29 (d) 45
  31. 31.Which number is the odd one out: 64, 53, 88, 16? (a) 64 (b) 53 (c) 88 (d) 16
  32. 32.Which number is the odd one out: 7, 19, 12, 21? (a) 7 (b) 19 (c) 12 (d) 21
  33. 33.Which number is the odd one out: 59, 17, 20, 23? (a) 59 (b) 17 (c) 20 (d) 23
  34. 34.Which number is the odd one out: 13, 5, 90, 53? (a) 13 (b) 5 (c) 90 (d) 53
  35. 35.Which number is the odd one out: 43, 54, 89, 41? (a) 43 (b) 54 (c) 89 (d) 41
  36. 36.Which number is the odd one out: 50, 65, 85, 66? (a) 50 (b) 65 (c) 85 (d) 66
  37. 37.Which number is the odd one out: 16, 10, 40, 4? (a) 16 (b) 10 (c) 40 (d) 4
  38. 38.Which number is the odd one out: 65, 55, 56, 40? (a) 65 (b) 55 (c) 56 (d) 40
  39. 39.Which number is the odd one out: 3, 95, 60, 23? (a) 3 (b) 95 (c) 60 (d) 23
  40. 40.Which number is the odd one out: 30, 40, 88, 8? (a) 30 (b) 40 (c) 88 (d) 8

Answer key

  1. 38
  2. 85
  3. 85
  4. 11
  5. 67
  6. 22
  7. 62
  8. 9
  9. 84
  10. 35
  11. 5
  12. 91
  13. 11
  14. 27
  15. 30
  16. 71
  17. 12
  18. 98
  19. 9
  20. 91
  21. 48
  22. 26
  23. 79
  24. 18
  25. 21
  26. 69
  27. 70
  28. 69
  29. 51
  30. 45
  31. 53
  32. 12
  33. 20
  34. 90
  35. 54
  36. 66
  37. 10
  38. 56
  39. 60
  40. 30

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