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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 686 · 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: 77, 91, 96, 28? (a) 77 (b) 91 (c) 96 (d) 28
  2. 2.Which number is the odd one out: 48, 7, 72, 99? (a) 48 (b) 7 (c) 72 (d) 99
  3. 3.Which number is the odd one out: 61, 97, 56, 13? (a) 61 (b) 97 (c) 56 (d) 13
  4. 4.Which number is the odd one out: 60, 59, 12, 30? (a) 60 (b) 59 (c) 12 (d) 30
  5. 5.Which number is the odd one out: 52, 76, 34, 55? (a) 52 (b) 76 (c) 34 (d) 55
  6. 6.Which number is the odd one out: 44, 82, 68, 53? (a) 44 (b) 82 (c) 68 (d) 53
  7. 7.Which number is the odd one out: 73, 10, 59, 47? (a) 73 (b) 10 (c) 59 (d) 47
  8. 8.Which number is the odd one out: 61, 19, 37, 98? (a) 61 (b) 19 (c) 37 (d) 98
  9. 9.Which number is the odd one out: 91, 80, 40, 32? (a) 91 (b) 80 (c) 40 (d) 32
  10. 10.Which number is the odd one out: 53, 14, 93, 3? (a) 53 (b) 14 (c) 93 (d) 3
  11. 11.Which number is the odd one out: 43, 97, 31, 64? (a) 43 (b) 97 (c) 31 (d) 64
  12. 12.Which number is the odd one out: 33, 57, 2, 61? (a) 33 (b) 57 (c) 2 (d) 61
  13. 13.Which number is the odd one out: 83, 23, 43, 94? (a) 83 (b) 23 (c) 43 (d) 94
  14. 14.Which number is the odd one out: 99, 67, 61, 53? (a) 99 (b) 67 (c) 61 (d) 53
  15. 15.Which number is the odd one out: 34, 37, 83, 89? (a) 34 (b) 37 (c) 83 (d) 89
  16. 16.Which number is the odd one out: 24, 8, 58, 48? (a) 24 (b) 8 (c) 58 (d) 48
  17. 17.Which number is the odd one out: 88, 29, 64, 4? (a) 88 (b) 29 (c) 64 (d) 4
  18. 18.Which number is the odd one out: 16, 64, 95, 44? (a) 16 (b) 64 (c) 95 (d) 44
  19. 19.Which number is the odd one out: 20, 72, 18, 40? (a) 20 (b) 72 (c) 18 (d) 40
  20. 20.Which number is the odd one out: 19, 90, 18, 45? (a) 19 (b) 90 (c) 18 (d) 45
  21. 21.Which number is the odd one out: 83, 79, 33, 71? (a) 83 (b) 79 (c) 33 (d) 71
  22. 22.Which number is the odd one out: 59, 9, 73, 31? (a) 59 (b) 9 (c) 73 (d) 31
  23. 23.Which number is the odd one out: 84, 42, 28, 77? (a) 84 (b) 42 (c) 28 (d) 77
  24. 24.Which number is the odd one out: 61, 59, 85, 79? (a) 61 (b) 59 (c) 85 (d) 79
  25. 25.Which number is the odd one out: 19, 88, 16, 64? (a) 19 (b) 88 (c) 16 (d) 64
  26. 26.Which number is the odd one out: 55, 95, 15, 63? (a) 55 (b) 95 (c) 15 (d) 63
  27. 27.Which number is the odd one out: 73, 67, 2, 96? (a) 73 (b) 67 (c) 2 (d) 96
  28. 28.Which number is the odd one out: 29, 59, 55, 5? (a) 29 (b) 59 (c) 55 (d) 5
  29. 29.Which number is the odd one out: 37, 11, 52, 79? (a) 37 (b) 11 (c) 52 (d) 79
  30. 30.Which number is the odd one out: 16, 79, 64, 4? (a) 16 (b) 79 (c) 64 (d) 4
  31. 31.Which number is the odd one out: 87, 39, 2, 51? (a) 87 (b) 39 (c) 2 (d) 51
  32. 32.Which number is the odd one out: 64, 4, 46, 16? (a) 64 (b) 4 (c) 46 (d) 16
  33. 33.Which number is the odd one out: 81, 9, 17, 39? (a) 81 (b) 9 (c) 17 (d) 39
  34. 34.Which number is the odd one out: 96, 44, 48, 24? (a) 96 (b) 44 (c) 48 (d) 24
  35. 35.Which number is the odd one out: 13, 11, 10, 2? (a) 13 (b) 11 (c) 10 (d) 2
  36. 36.Which number is the odd one out: 61, 16, 41, 71? (a) 61 (b) 16 (c) 41 (d) 71
  37. 37.Which number is the odd one out: 35, 56, 40, 8? (a) 35 (b) 56 (c) 40 (d) 8
  38. 38.Which number is the odd one out: 43, 86, 2, 83? (a) 43 (b) 86 (c) 2 (d) 83
  39. 39.Which number is the odd one out: 11, 85, 23, 80? (a) 11 (b) 85 (c) 23 (d) 80
  40. 40.Which number is the odd one out: 81, 60, 99, 9? (a) 81 (b) 60 (c) 99 (d) 9

Answer key

  1. 96
  2. 7
  3. 56
  4. 59
  5. 55
  6. 53
  7. 10
  8. 98
  9. 91
  10. 14
  11. 64
  12. 2
  13. 94
  14. 99
  15. 34
  16. 58
  17. 29
  18. 95
  19. 18
  20. 19
  21. 33
  22. 9
  23. 77
  24. 85
  25. 19
  26. 63
  27. 96
  28. 55
  29. 52
  30. 79
  31. 2
  32. 46
  33. 17
  34. 44
  35. 10
  36. 16
  37. 35
  38. 86
  39. 80
  40. 60

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