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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 856 · 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: 63, 72, 77, 91? (a) 63 (b) 72 (c) 77 (d) 91
  2. 2.Which number is the odd one out: 49, 31, 83, 11? (a) 49 (b) 31 (c) 83 (d) 11
  3. 3.Which number is the odd one out: 73, 19, 85, 80? (a) 73 (b) 19 (c) 85 (d) 80
  4. 4.Which number is the odd one out: 42, 37, 2, 73? (a) 42 (b) 37 (c) 2 (d) 73
  5. 5.Which number is the odd one out: 13, 15, 47, 53? (a) 13 (b) 15 (c) 47 (d) 53
  6. 6.Which number is the odd one out: 23, 11, 69, 19? (a) 23 (b) 11 (c) 69 (d) 19
  7. 7.Which number is the odd one out: 12, 78, 32, 6? (a) 12 (b) 78 (c) 32 (d) 6
  8. 8.Which number is the odd one out: 41, 7, 83, 14? (a) 41 (b) 7 (c) 83 (d) 14
  9. 9.Which number is the odd one out: 48, 8, 32, 18? (a) 48 (b) 8 (c) 32 (d) 18
  10. 10.Which number is the odd one out: 53, 2, 62, 43? (a) 53 (b) 2 (c) 62 (d) 43
  11. 11.Which number is the odd one out: 64, 90, 16, 36? (a) 64 (b) 90 (c) 16 (d) 36
  12. 12.Which number is the odd one out: 21, 37, 59, 53? (a) 21 (b) 37 (c) 59 (d) 53
  13. 13.Which number is the odd one out: 30, 60, 4, 10? (a) 30 (b) 60 (c) 4 (d) 10
  14. 14.Which number is the odd one out: 79, 14, 77, 59? (a) 79 (b) 14 (c) 77 (d) 59
  15. 15.Which number is the odd one out: 18, 90, 60, 64? (a) 18 (b) 90 (c) 60 (d) 64
  16. 16.Which number is the odd one out: 17, 11, 10, 79? (a) 17 (b) 11 (c) 10 (d) 79
  17. 17.Which number is the odd one out: 7, 71, 21, 17? (a) 7 (b) 71 (c) 21 (d) 17
  18. 18.Which number is the odd one out: 36, 87, 13, 59? (a) 36 (b) 87 (c) 13 (d) 59
  19. 19.Which number is the odd one out: 50, 23, 89, 5? (a) 50 (b) 23 (c) 89 (d) 5
  20. 20.Which number is the odd one out: 42, 7, 2, 29? (a) 42 (b) 7 (c) 2 (d) 29
  21. 21.Which number is the odd one out: 19, 71, 38, 61? (a) 19 (b) 71 (c) 38 (d) 61
  22. 22.Which number is the odd one out: 16, 8, 25, 82? (a) 16 (b) 8 (c) 25 (d) 82
  23. 23.Which number is the odd one out: 11, 59, 43, 8? (a) 11 (b) 59 (c) 43 (d) 8
  24. 24.Which number is the odd one out: 69, 19, 53, 90? (a) 69 (b) 19 (c) 53 (d) 90
  25. 25.Which number is the odd one out: 88, 98, 28, 14? (a) 88 (b) 98 (c) 28 (d) 14
  26. 26.Which number is the odd one out: 15, 3, 47, 17? (a) 15 (b) 3 (c) 47 (d) 17
  27. 27.Which number is the odd one out: 53, 50, 31, 73? (a) 53 (b) 50 (c) 31 (d) 73
  28. 28.Which number is the odd one out: 32, 8, 88, 52? (a) 32 (b) 8 (c) 88 (d) 52
  29. 29.Which number is the odd one out: 47, 89, 24, 53? (a) 47 (b) 89 (c) 24 (d) 53
  30. 30.Which number is the odd one out: 79, 41, 22, 17? (a) 79 (b) 41 (c) 22 (d) 17
  31. 31.Which number is the odd one out: 4, 67, 53, 59? (a) 4 (b) 67 (c) 53 (d) 59
  32. 32.Which number is the odd one out: 10, 61, 29, 13? (a) 10 (b) 61 (c) 29 (d) 13
  33. 33.Which number is the odd one out: 16, 23, 31, 43? (a) 16 (b) 23 (c) 31 (d) 43
  34. 34.Which number is the odd one out: 29, 85, 13, 79? (a) 29 (b) 85 (c) 13 (d) 79
  35. 35.Which number is the odd one out: 65, 43, 89, 19? (a) 65 (b) 43 (c) 89 (d) 19
  36. 36.Which number is the odd one out: 53, 36, 61, 89? (a) 53 (b) 36 (c) 61 (d) 89
  37. 37.Which number is the odd one out: 16, 21, 88, 4? (a) 16 (b) 21 (c) 88 (d) 4
  38. 38.Which number is the odd one out: 73, 95, 47, 30? (a) 73 (b) 95 (c) 47 (d) 30
  39. 39.Which number is the odd one out: 47, 90, 59, 41? (a) 47 (b) 90 (c) 59 (d) 41
  40. 40.Which number is the odd one out: 7, 70, 17, 71? (a) 7 (b) 70 (c) 17 (d) 71

Answer key

  1. 72
  2. 49
  3. 80
  4. 42
  5. 15
  6. 69
  7. 32
  8. 14
  9. 18
  10. 62
  11. 90
  12. 21
  13. 4
  14. 14
  15. 64
  16. 10
  17. 21
  18. 36
  19. 50
  20. 42
  21. 38
  22. 25
  23. 8
  24. 90
  25. 88
  26. 15
  27. 50
  28. 52
  29. 24
  30. 22
  31. 4
  32. 10
  33. 16
  34. 85
  35. 65
  36. 36
  37. 21
  38. 30
  39. 90
  40. 70

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