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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 376 · 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: 91, 97, 13, 53? (a) 91 (b) 97 (c) 13 (d) 53
  2. 2.Which number is the odd one out: 89, 80, 11, 2? (a) 89 (b) 80 (c) 11 (d) 2
  3. 3.Which number is the odd one out: 93, 59, 3, 61? (a) 93 (b) 59 (c) 3 (d) 61
  4. 4.Which number is the odd one out: 83, 23, 4, 13? (a) 83 (b) 23 (c) 4 (d) 13
  5. 5.Which number is the odd one out: 91, 43, 29, 23? (a) 91 (b) 43 (c) 29 (d) 23
  6. 6.Which number is the odd one out: 99, 63, 7, 27? (a) 99 (b) 63 (c) 7 (d) 27
  7. 7.Which number is the odd one out: 19, 21, 13, 97? (a) 19 (b) 21 (c) 13 (d) 97
  8. 8.Which number is the odd one out: 53, 19, 59, 40? (a) 53 (b) 19 (c) 59 (d) 40
  9. 9.Which number is the odd one out: 31, 73, 55, 5? (a) 31 (b) 73 (c) 55 (d) 5
  10. 10.Which number is the odd one out: 61, 22, 13, 79? (a) 61 (b) 22 (c) 13 (d) 79
  11. 11.Which number is the odd one out: 79, 69, 17, 11? (a) 79 (b) 69 (c) 17 (d) 11
  12. 12.Which number is the odd one out: 45, 79, 43, 11? (a) 45 (b) 79 (c) 43 (d) 11
  13. 13.Which number is the odd one out: 23, 30, 29, 59? (a) 23 (b) 30 (c) 29 (d) 59
  14. 14.Which number is the odd one out: 76, 43, 11, 89? (a) 76 (b) 43 (c) 11 (d) 89
  15. 15.Which number is the odd one out: 24, 96, 11, 68? (a) 24 (b) 96 (c) 11 (d) 68
  16. 16.Which number is the odd one out: 51, 58, 3, 13? (a) 51 (b) 58 (c) 3 (d) 13
  17. 17.Which number is the odd one out: 48, 60, 45, 24? (a) 48 (b) 60 (c) 45 (d) 24
  18. 18.Which number is the odd one out: 32, 88, 9, 8? (a) 32 (b) 88 (c) 9 (d) 8
  19. 19.Which number is the odd one out: 36, 8, 96, 88? (a) 36 (b) 8 (c) 96 (d) 88
  20. 20.Which number is the odd one out: 31, 25, 97, 73? (a) 31 (b) 25 (c) 97 (d) 73
  21. 21.Which number is the odd one out: 20, 11, 19, 97? (a) 20 (b) 11 (c) 19 (d) 97
  22. 22.Which number is the odd one out: 17, 53, 63, 43? (a) 17 (b) 53 (c) 63 (d) 43
  23. 23.Which number is the odd one out: 2, 73, 68, 67? (a) 2 (b) 73 (c) 68 (d) 67
  24. 24.Which number is the odd one out: 79, 53, 59, 8? (a) 79 (b) 53 (c) 59 (d) 8
  25. 25.Which number is the odd one out: 17, 84, 3, 11? (a) 17 (b) 84 (c) 3 (d) 11
  26. 26.Which number is the odd one out: 53, 74, 11, 47? (a) 53 (b) 74 (c) 11 (d) 47
  27. 27.Which number is the odd one out: 78, 12, 52, 6? (a) 78 (b) 12 (c) 52 (d) 6
  28. 28.Which number is the odd one out: 11, 56, 2, 61? (a) 11 (b) 56 (c) 2 (d) 61
  29. 29.Which number is the odd one out: 24, 57, 13, 61? (a) 24 (b) 57 (c) 13 (d) 61
  30. 30.Which number is the odd one out: 31, 97, 23, 99? (a) 31 (b) 97 (c) 23 (d) 99
  31. 31.Which number is the odd one out: 59, 47, 43, 9? (a) 59 (b) 47 (c) 43 (d) 9
  32. 32.Which number is the odd one out: 97, 59, 18, 3? (a) 97 (b) 59 (c) 18 (d) 3
  33. 33.Which number is the odd one out: 99, 90, 95, 18? (a) 99 (b) 90 (c) 95 (d) 18
  34. 34.Which number is the odd one out: 87, 53, 11, 97? (a) 87 (b) 53 (c) 11 (d) 97
  35. 35.Which number is the odd one out: 40, 80, 54, 50? (a) 40 (b) 80 (c) 54 (d) 50
  36. 36.Which number is the odd one out: 88, 38, 96, 48? (a) 88 (b) 38 (c) 96 (d) 48
  37. 37.Which number is the odd one out: 96, 12, 24, 19? (a) 96 (b) 12 (c) 24 (d) 19
  38. 38.Which number is the odd one out: 75, 51, 16, 95? (a) 75 (b) 51 (c) 16 (d) 95
  39. 39.Which number is the odd one out: 32, 88, 72, 36? (a) 32 (b) 88 (c) 72 (d) 36
  40. 40.Which number is the odd one out: 49, 7, 59, 67? (a) 49 (b) 7 (c) 59 (d) 67

Answer key

  1. 91
  2. 80
  3. 93
  4. 4
  5. 91
  6. 7
  7. 21
  8. 40
  9. 55
  10. 22
  11. 69
  12. 45
  13. 30
  14. 76
  15. 11
  16. 58
  17. 45
  18. 9
  19. 36
  20. 25
  21. 20
  22. 63
  23. 68
  24. 8
  25. 84
  26. 74
  27. 52
  28. 56
  29. 24
  30. 99
  31. 9
  32. 18
  33. 95
  34. 87
  35. 54
  36. 38
  37. 19
  38. 16
  39. 36
  40. 49

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