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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 398 · 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: 93, 97, 89, 83? (a) 93 (b) 97 (c) 89 (d) 83
  2. 2.Which number is the odd one out: 61, 71, 60, 19? (a) 61 (b) 71 (c) 60 (d) 19
  3. 3.Which number is the odd one out: 18, 51, 53, 59? (a) 18 (b) 51 (c) 53 (d) 59
  4. 4.Which number is the odd one out: 29, 71, 83, 72? (a) 29 (b) 71 (c) 83 (d) 72
  5. 5.Which number is the odd one out: 11, 46, 19, 79? (a) 11 (b) 46 (c) 19 (d) 79
  6. 6.Which number is the odd one out: 88, 11, 47, 89? (a) 88 (b) 11 (c) 47 (d) 89
  7. 7.Which number is the odd one out: 89, 60, 17, 2? (a) 89 (b) 60 (c) 17 (d) 2
  8. 8.Which number is the odd one out: 37, 11, 13, 77? (a) 37 (b) 11 (c) 13 (d) 77
  9. 9.Which number is the odd one out: 29, 23, 53, 96? (a) 29 (b) 23 (c) 53 (d) 96
  10. 10.Which number is the odd one out: 27, 50, 40, 80? (a) 27 (b) 50 (c) 40 (d) 80
  11. 11.Which number is the odd one out: 41, 19, 27, 29? (a) 41 (b) 19 (c) 27 (d) 29
  12. 12.Which number is the odd one out: 6, 79, 19, 17? (a) 6 (b) 79 (c) 19 (d) 17
  13. 13.Which number is the odd one out: 71, 97, 13, 8? (a) 71 (b) 97 (c) 13 (d) 8
  14. 14.Which number is the odd one out: 79, 3, 73, 90? (a) 79 (b) 3 (c) 73 (d) 90
  15. 15.Which number is the odd one out: 63, 18, 96, 48? (a) 63 (b) 18 (c) 96 (d) 48
  16. 16.Which number is the odd one out: 89, 43, 17, 48? (a) 89 (b) 43 (c) 17 (d) 48
  17. 17.Which number is the odd one out: 29, 5, 10, 13? (a) 29 (b) 5 (c) 10 (d) 13
  18. 18.Which number is the odd one out: 73, 33, 17, 37? (a) 73 (b) 33 (c) 17 (d) 37
  19. 19.Which number is the odd one out: 45, 19, 3, 17? (a) 45 (b) 19 (c) 3 (d) 17
  20. 20.Which number is the odd one out: 73, 2, 7, 42? (a) 73 (b) 2 (c) 7 (d) 42
  21. 21.Which number is the odd one out: 43, 79, 64, 23? (a) 43 (b) 79 (c) 64 (d) 23
  22. 22.Which number is the odd one out: 97, 32, 13, 83? (a) 97 (b) 32 (c) 13 (d) 83
  23. 23.Which number is the odd one out: 39, 73, 66, 37? (a) 39 (b) 73 (c) 66 (d) 37
  24. 24.Which number is the odd one out: 40, 36, 80, 24? (a) 40 (b) 36 (c) 80 (d) 24
  25. 25.Which number is the odd one out: 11, 19, 61, 90? (a) 11 (b) 19 (c) 61 (d) 90
  26. 26.Which number is the odd one out: 88, 64, 36, 48? (a) 88 (b) 64 (c) 36 (d) 48
  27. 27.Which number is the odd one out: 36, 29, 3, 37? (a) 36 (b) 29 (c) 3 (d) 37
  28. 28.Which number is the odd one out: 11, 24, 44, 48? (a) 11 (b) 24 (c) 44 (d) 48
  29. 29.Which number is the odd one out: 18, 23, 71, 2? (a) 18 (b) 23 (c) 71 (d) 2
  30. 30.Which number is the odd one out: 4, 30, 60, 50? (a) 4 (b) 30 (c) 60 (d) 50
  31. 31.Which number is the odd one out: 5, 55, 19, 47? (a) 5 (b) 55 (c) 19 (d) 47
  32. 32.Which number is the odd one out: 68, 79, 71, 23? (a) 68 (b) 79 (c) 71 (d) 23
  33. 33.Which number is the odd one out: 23, 67, 9, 41? (a) 23 (b) 67 (c) 9 (d) 41
  34. 34.Which number is the odd one out: 61, 9, 83, 67? (a) 61 (b) 9 (c) 83 (d) 67
  35. 35.Which number is the odd one out: 41, 84, 11, 31? (a) 41 (b) 84 (c) 11 (d) 31
  36. 36.Which number is the odd one out: 97, 67, 55, 61? (a) 97 (b) 67 (c) 55 (d) 61
  37. 37.Which number is the odd one out: 78, 71, 19, 13? (a) 78 (b) 71 (c) 19 (d) 13
  38. 38.Which number is the odd one out: 17, 19, 91, 97? (a) 17 (b) 19 (c) 91 (d) 97
  39. 39.Which number is the odd one out: 24, 96, 52, 89? (a) 24 (b) 96 (c) 52 (d) 89
  40. 40.Which number is the odd one out: 32, 48, 52, 24? (a) 32 (b) 48 (c) 52 (d) 24

Answer key

  1. 93
  2. 60
  3. 18
  4. 72
  5. 46
  6. 88
  7. 60
  8. 77
  9. 96
  10. 27
  11. 27
  12. 6
  13. 8
  14. 90
  15. 63
  16. 48
  17. 10
  18. 33
  19. 45
  20. 42
  21. 64
  22. 32
  23. 66
  24. 36
  25. 90
  26. 36
  27. 36
  28. 11
  29. 18
  30. 4
  31. 55
  32. 68
  33. 9
  34. 9
  35. 84
  36. 55
  37. 78
  38. 91
  39. 89
  40. 52

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