Three neighbors, Gloria, Henry and Irene, visited the library this week. One borrowed a mystery, one a biography and one a gardening book, and each returned a book on a different day: Tuesday, Thursday or Saturday. Can you match everyone up using the clues below?
The clues:
1. The mystery was returned later in the week than the biography.
2. Henry did not borrow the biography.
3. The person who returned a book on Thursday did not borrow the gardening book.
4. Henry returned his book later in the week than Gloria did.
5. Irene did not return her book on Tuesday.
6. Henry did not borrow the mystery.
Which book did Irene borrow?
On which day did Gloria return her book?
Who borrowed the gardening book?
Which statement is true?
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How to Play
- Read all six clues, then pick an answer for each question and tap Check.
- Try a small grid on paper: names across the top, books and days down the side.
- Each explanation shows how the clues fit together.
- Your progress is saved on this device.
A Tip for Logic Grids
Begin with the clues that rule out two choices for the same person. When one person has only a single possibility left, write it down and cross it off for everyone else. A clue about “later in the week” is a good one to save for last, once the days start to fall into place.