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| puzzles / logical puzzles / logic01.htm | ||
| 1] My house has a number. a] If my house number is a multiple of three, then it is a number from 50 through 59. b] If my house number is not a multiple of 4, then it is a number from 60 through 69. c] If my house number is not a multiple of 6, then it is a number from 70 through 79. What is my house number ? |
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