Brain Teasers
Books
Andrew has a random number of books. Only one of the following statements is true.
1. Andrew has at least 72 books.
2. Andrew has at least 62 books.
3. Andrew has at least 42 books.
What is the biggest amount of books Andrew can have?
1. Andrew has at least 72 books.
2. Andrew has at least 62 books.
3. Andrew has at least 42 books.
What is the biggest amount of books Andrew can have?
Answer
61.From 72 to infinity, 3 statements would be true.
From 62 to 71, 2 statements would be true.
From 42 to 61, 1 statement would be true.
From 0 to 41, 0 statements would be true.
Between 42 and 61, 61 would be the biggest.
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