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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 502 · 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: 96, 52, 24, 48? (a) 96 (b) 52 (c) 24 (d) 48
  2. 2.Which number is the odd one out: 96, 8, 48, 5? (a) 96 (b) 8 (c) 48 (d) 5
  3. 3.Which number is the odd one out: 41, 83, 26, 43? (a) 41 (b) 83 (c) 26 (d) 43
  4. 4.Which number is the odd one out: 90, 91, 14, 63? (a) 90 (b) 91 (c) 14 (d) 63
  5. 5.Which number is the odd one out: 10, 37, 13, 71? (a) 10 (b) 37 (c) 13 (d) 71
  6. 6.Which number is the odd one out: 80, 35, 88, 56? (a) 80 (b) 35 (c) 88 (d) 56
  7. 7.Which number is the odd one out: 43, 37, 47, 58? (a) 43 (b) 37 (c) 47 (d) 58
  8. 8.Which number is the odd one out: 80, 17, 83, 61? (a) 80 (b) 17 (c) 83 (d) 61
  9. 9.Which number is the odd one out: 8, 54, 24, 52? (a) 8 (b) 54 (c) 24 (d) 52
  10. 10.Which number is the odd one out: 75, 17, 11, 67? (a) 75 (b) 17 (c) 11 (d) 67
  11. 11.Which number is the odd one out: 36, 11, 19, 2? (a) 36 (b) 11 (c) 19 (d) 2
  12. 12.Which number is the odd one out: 7, 11, 37, 14? (a) 7 (b) 11 (c) 37 (d) 14
  13. 13.Which number is the odd one out: 13, 3, 18, 59? (a) 13 (b) 3 (c) 18 (d) 59
  14. 14.Which number is the odd one out: 89, 83, 45, 3? (a) 89 (b) 83 (c) 45 (d) 3
  15. 15.Which number is the odd one out: 29, 59, 86, 31? (a) 29 (b) 59 (c) 86 (d) 31
  16. 16.Which number is the odd one out: 4, 78, 64, 16? (a) 4 (b) 78 (c) 64 (d) 16
  17. 17.Which number is the odd one out: 63, 23, 79, 19? (a) 63 (b) 23 (c) 79 (d) 19
  18. 18.Which number is the odd one out: 8, 7, 35, 5? (a) 8 (b) 7 (c) 35 (d) 5
  19. 19.Which number is the odd one out: 8, 93, 40, 80? (a) 8 (b) 93 (c) 40 (d) 80
  20. 20.Which number is the odd one out: 59, 61, 94, 31? (a) 59 (b) 61 (c) 94 (d) 31
  21. 21.Which number is the odd one out: 19, 83, 59, 45? (a) 19 (b) 83 (c) 59 (d) 45
  22. 22.Which number is the odd one out: 26, 41, 22, 2? (a) 26 (b) 41 (c) 22 (d) 2
  23. 23.Which number is the odd one out: 95, 11, 83, 43? (a) 95 (b) 11 (c) 83 (d) 43
  24. 24.Which number is the odd one out: 32, 24, 12, 8? (a) 32 (b) 24 (c) 12 (d) 8
  25. 25.Which number is the odd one out: 17, 97, 69, 83? (a) 17 (b) 97 (c) 69 (d) 83
  26. 26.Which number is the odd one out: 31, 72, 83, 53? (a) 31 (b) 72 (c) 83 (d) 53
  27. 27.Which number is the odd one out: 24, 48, 88, 95? (a) 24 (b) 48 (c) 88 (d) 95
  28. 28.Which number is the odd one out: 21, 79, 53, 61? (a) 21 (b) 79 (c) 53 (d) 61
  29. 29.Which number is the odd one out: 96, 95, 24, 20? (a) 96 (b) 95 (c) 24 (d) 20
  30. 30.Which number is the odd one out: 23, 19, 66, 2? (a) 23 (b) 19 (c) 66 (d) 2
  31. 31.Which number is the odd one out: 21, 47, 23, 31? (a) 21 (b) 47 (c) 23 (d) 31
  32. 32.Which number is the odd one out: 99, 44, 81, 9? (a) 99 (b) 44 (c) 81 (d) 9
  33. 33.Which number is the odd one out: 73, 59, 80, 79? (a) 73 (b) 59 (c) 80 (d) 79
  34. 34.Which number is the odd one out: 31, 68, 48, 96? (a) 31 (b) 68 (c) 48 (d) 96
  35. 35.Which number is the odd one out: 51, 83, 97, 37? (a) 51 (b) 83 (c) 97 (d) 37
  36. 36.Which number is the odd one out: 29, 69, 30, 47? (a) 29 (b) 69 (c) 30 (d) 47
  37. 37.Which number is the odd one out: 71, 24, 17, 31? (a) 71 (b) 24 (c) 17 (d) 31
  38. 38.Which number is the odd one out: 85, 66, 10, 95? (a) 85 (b) 66 (c) 10 (d) 95
  39. 39.Which number is the odd one out: 96, 73, 37, 13? (a) 96 (b) 73 (c) 37 (d) 13
  40. 40.Which number is the odd one out: 61, 51, 53, 3? (a) 61 (b) 51 (c) 53 (d) 3

Answer key

  1. 52
  2. 5
  3. 26
  4. 90
  5. 10
  6. 35
  7. 58
  8. 80
  9. 54
  10. 75
  11. 36
  12. 14
  13. 18
  14. 45
  15. 86
  16. 78
  17. 63
  18. 8
  19. 93
  20. 94
  21. 45
  22. 41
  23. 95
  24. 12
  25. 69
  26. 72
  27. 95
  28. 21
  29. 95
  30. 66
  31. 21
  32. 44
  33. 80
  34. 31
  35. 51
  36. 30
  37. 24
  38. 66
  39. 96
  40. 51

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