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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 340 · 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: 43, 59, 19, 86? (a) 43 (b) 59 (c) 19 (d) 86
  2. 2.Which number is the odd one out: 20, 96, 40, 24? (a) 20 (b) 96 (c) 40 (d) 24
  3. 3.Which number is the odd one out: 78, 6, 58, 49? (a) 78 (b) 6 (c) 58 (d) 49
  4. 4.Which number is the odd one out: 22, 57, 75, 15? (a) 22 (b) 57 (c) 75 (d) 15
  5. 5.Which number is the odd one out: 13, 31, 6, 2? (a) 13 (b) 31 (c) 6 (d) 2
  6. 6.Which number is the odd one out: 41, 71, 14, 53? (a) 41 (b) 71 (c) 14 (d) 53
  7. 7.Which number is the odd one out: 20, 60, 74, 30? (a) 20 (b) 60 (c) 74 (d) 30
  8. 8.Which number is the odd one out: 4, 64, 79, 16? (a) 4 (b) 64 (c) 79 (d) 16
  9. 9.Which number is the odd one out: 71, 11, 79, 30? (a) 71 (b) 11 (c) 79 (d) 30
  10. 10.Which number is the odd one out: 96, 72, 75, 54? (a) 96 (b) 72 (c) 75 (d) 54
  11. 11.Which number is the odd one out: 19, 48, 11, 23? (a) 19 (b) 48 (c) 11 (d) 23
  12. 12.Which number is the odd one out: 88, 96, 24, 13? (a) 88 (b) 96 (c) 24 (d) 13
  13. 13.Which number is the odd one out: 83, 59, 41, 46? (a) 83 (b) 59 (c) 41 (d) 46
  14. 14.Which number is the odd one out: 17, 29, 34, 71? (a) 17 (b) 29 (c) 34 (d) 71
  15. 15.Which number is the odd one out: 71, 9, 97, 17? (a) 71 (b) 9 (c) 97 (d) 17
  16. 16.Which number is the odd one out: 48, 29, 79, 71? (a) 48 (b) 29 (c) 79 (d) 71
  17. 17.Which number is the odd one out: 17, 48, 61, 31? (a) 17 (b) 48 (c) 61 (d) 31
  18. 18.Which number is the odd one out: 24, 61, 23, 83? (a) 24 (b) 61 (c) 23 (d) 83
  19. 19.Which number is the odd one out: 59, 71, 20, 11? (a) 59 (b) 71 (c) 20 (d) 11
  20. 20.Which number is the odd one out: 19, 43, 58, 53? (a) 19 (b) 43 (c) 58 (d) 53
  21. 21.Which number is the odd one out: 16, 92, 8, 9? (a) 16 (b) 92 (c) 8 (d) 9
  22. 22.Which number is the odd one out: 16, 77, 64, 4? (a) 16 (b) 77 (c) 64 (d) 4
  23. 23.Which number is the odd one out: 93, 57, 67, 33? (a) 93 (b) 57 (c) 67 (d) 33
  24. 24.Which number is the odd one out: 73, 97, 95, 31? (a) 73 (b) 97 (c) 95 (d) 31
  25. 25.Which number is the odd one out: 47, 18, 51, 67? (a) 47 (b) 18 (c) 51 (d) 67
  26. 26.Which number is the odd one out: 95, 29, 89, 43? (a) 95 (b) 29 (c) 89 (d) 43
  27. 27.Which number is the odd one out: 47, 43, 83, 65? (a) 47 (b) 43 (c) 83 (d) 65
  28. 28.Which number is the odd one out: 15, 47, 54, 5? (a) 15 (b) 47 (c) 54 (d) 5
  29. 29.Which number is the odd one out: 96, 24, 82, 52? (a) 96 (b) 24 (c) 82 (d) 52
  30. 30.Which number is the odd one out: 96, 48, 13, 12? (a) 96 (b) 48 (c) 13 (d) 12
  31. 31.Which number is the odd one out: 95, 53, 83, 71? (a) 95 (b) 53 (c) 83 (d) 71
  32. 32.Which number is the odd one out: 80, 55, 8, 32? (a) 80 (b) 55 (c) 8 (d) 32
  33. 33.Which number is the odd one out: 44, 17, 13, 97? (a) 44 (b) 17 (c) 13 (d) 97
  34. 34.Which number is the odd one out: 17, 53, 77, 43? (a) 17 (b) 53 (c) 77 (d) 43
  35. 35.Which number is the odd one out: 14, 2, 13, 61? (a) 14 (b) 2 (c) 13 (d) 61
  36. 36.Which number is the odd one out: 12, 61, 2, 43? (a) 12 (b) 61 (c) 2 (d) 43
  37. 37.Which number is the odd one out: 32, 56, 42, 92? (a) 32 (b) 56 (c) 42 (d) 92
  38. 38.Which number is the odd one out: 53, 24, 17, 89? (a) 53 (b) 24 (c) 17 (d) 89
  39. 39.Which number is the odd one out: 89, 17, 13, 81? (a) 89 (b) 17 (c) 13 (d) 81
  40. 40.Which number is the odd one out: 61, 47, 19, 91? (a) 61 (b) 47 (c) 19 (d) 91

Answer key

  1. 86
  2. 20
  3. 49
  4. 22
  5. 6
  6. 14
  7. 74
  8. 79
  9. 30
  10. 75
  11. 48
  12. 13
  13. 46
  14. 34
  15. 9
  16. 48
  17. 48
  18. 24
  19. 20
  20. 58
  21. 9
  22. 77
  23. 67
  24. 95
  25. 18
  26. 95
  27. 65
  28. 54
  29. 82
  30. 13
  31. 95
  32. 55
  33. 44
  34. 77
  35. 14
  36. 12
  37. 42
  38. 24
  39. 81
  40. 91

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