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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 471 · 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: 82, 77, 7, 29? (a) 82 (b) 77 (c) 7 (d) 29
  2. 2.Which number is the odd one out: 2, 11, 22, 13? (a) 2 (b) 11 (c) 22 (d) 13
  3. 3.Which number is the odd one out: 38, 47, 61, 67? (a) 38 (b) 47 (c) 61 (d) 67
  4. 4.Which number is the odd one out: 4, 32, 48, 24? (a) 4 (b) 32 (c) 48 (d) 24
  5. 5.Which number is the odd one out: 14, 91, 92, 77? (a) 14 (b) 91 (c) 92 (d) 77
  6. 6.Which number is the odd one out: 43, 17, 92, 13? (a) 43 (b) 17 (c) 92 (d) 13
  7. 7.Which number is the odd one out: 18, 5, 90, 27? (a) 18 (b) 5 (c) 90 (d) 27
  8. 8.Which number is the odd one out: 68, 37, 23, 71? (a) 68 (b) 37 (c) 23 (d) 71
  9. 9.Which number is the odd one out: 97, 61, 57, 47? (a) 97 (b) 61 (c) 57 (d) 47
  10. 10.Which number is the odd one out: 29, 50, 10, 55? (a) 29 (b) 50 (c) 10 (d) 55
  11. 11.Which number is the odd one out: 95, 75, 15, 29? (a) 95 (b) 75 (c) 15 (d) 29
  12. 12.Which number is the odd one out: 73, 27, 19, 13? (a) 73 (b) 27 (c) 19 (d) 13
  13. 13.Which number is the odd one out: 33, 30, 42, 35? (a) 33 (b) 30 (c) 42 (d) 35
  14. 14.Which number is the odd one out: 16, 48, 8, 36? (a) 16 (b) 48 (c) 8 (d) 36
  15. 15.Which number is the odd one out: 33, 23, 3, 61? (a) 33 (b) 23 (c) 3 (d) 61
  16. 16.Which number is the odd one out: 13, 53, 70, 7? (a) 13 (b) 53 (c) 70 (d) 7
  17. 17.Which number is the odd one out: 59, 84, 83, 97? (a) 59 (b) 84 (c) 83 (d) 97
  18. 18.Which number is the odd one out: 19, 17, 73, 55? (a) 19 (b) 17 (c) 73 (d) 55
  19. 19.Which number is the odd one out: 11, 23, 43, 54? (a) 11 (b) 23 (c) 43 (d) 54
  20. 20.Which number is the odd one out: 13, 89, 73, 68? (a) 13 (b) 89 (c) 73 (d) 68
  21. 21.Which number is the odd one out: 72, 48, 63, 78? (a) 72 (b) 48 (c) 63 (d) 78
  22. 22.Which number is the odd one out: 37, 79, 91, 98? (a) 37 (b) 79 (c) 91 (d) 98
  23. 23.Which number is the odd one out: 35, 32, 96, 24? (a) 35 (b) 32 (c) 96 (d) 24
  24. 24.Which number is the odd one out: 71, 26, 13, 73? (a) 71 (b) 26 (c) 13 (d) 73
  25. 25.Which number is the odd one out: 83, 19, 24, 3? (a) 83 (b) 19 (c) 24 (d) 3
  26. 26.Which number is the odd one out: 78, 91, 24, 48? (a) 78 (b) 91 (c) 24 (d) 48
  27. 27.Which number is the odd one out: 13, 2, 31, 18? (a) 13 (b) 2 (c) 31 (d) 18
  28. 28.Which number is the odd one out: 80, 29, 32, 40? (a) 80 (b) 29 (c) 32 (d) 40
  29. 29.Which number is the odd one out: 75, 10, 87, 51? (a) 75 (b) 10 (c) 87 (d) 51
  30. 30.Which number is the odd one out: 23, 13, 32, 79? (a) 23 (b) 13 (c) 32 (d) 79
  31. 31.Which number is the odd one out: 13, 47, 72, 43? (a) 13 (b) 47 (c) 72 (d) 43
  32. 32.Which number is the odd one out: 18, 54, 19, 66? (a) 18 (b) 54 (c) 19 (d) 66
  33. 33.Which number is the odd one out: 13, 45, 41, 67? (a) 13 (b) 45 (c) 41 (d) 67
  34. 34.Which number is the odd one out: 57, 17, 41, 47? (a) 57 (b) 17 (c) 41 (d) 47
  35. 35.Which number is the odd one out: 59, 40, 31, 43? (a) 59 (b) 40 (c) 31 (d) 43
  36. 36.Which number is the odd one out: 45, 64, 16, 92? (a) 45 (b) 64 (c) 16 (d) 92
  37. 37.Which number is the odd one out: 63, 23, 7, 54? (a) 63 (b) 23 (c) 7 (d) 54
  38. 38.Which number is the odd one out: 19, 43, 32, 2? (a) 19 (b) 43 (c) 32 (d) 2
  39. 39.Which number is the odd one out: 54, 90, 18, 80? (a) 54 (b) 90 (c) 18 (d) 80
  40. 40.Which number is the odd one out: 48, 19, 51, 23? (a) 48 (b) 19 (c) 51 (d) 23

Answer key

  1. 82
  2. 22
  3. 38
  4. 4
  5. 92
  6. 92
  7. 5
  8. 68
  9. 57
  10. 29
  11. 29
  12. 27
  13. 35
  14. 36
  15. 33
  16. 70
  17. 84
  18. 55
  19. 54
  20. 68
  21. 63
  22. 98
  23. 35
  24. 26
  25. 24
  26. 91
  27. 18
  28. 29
  29. 10
  30. 32
  31. 72
  32. 19
  33. 45
  34. 57
  35. 40
  36. 45
  37. 54
  38. 32
  39. 80
  40. 48

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