Free Mystery Logic Puzzle for Book Week - Top-Rated Teaching ... - Free Printable
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Step-by-step solution for: Free Mystery Logic Puzzle for Book Week - Top-Rated Teaching ...
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Show Answer Key & Explanations
Step-by-step solution for: Free Mystery Logic Puzzle for Book Week - Top-Rated Teaching ...
To solve this logic puzzle, we need to use the clues provided to determine which person bought which genre of book and on which day they started reading it. Let's break down the clues step by step.
1. The one who bought the mystery book couldn't wait and started reading on the first day of the week.
2. Charlie started reading the day before Alice started reading, but the day after Bob started reading.
3. The biography enthusiast started reading the day after the person who bought the fantasy book.
4. The person who bought the history book started reading on Tuesday.
5. Alice didn’t start her book on the first or last day of the week.
6. Elise did not buy mystery, biography, or fantasy books.
7. Deborah started reading a book that was not in the fantasy genre on Thursday.
#### Clue 1:
- The mystery book was read on Monday.
- So, the person who bought the mystery book started reading on Monday.
#### Clue 4:
- The history book was read on Tuesday.
- So, the person who bought the history book started reading on Tuesday.
#### Clue 5:
- Alice didn’t start her book on the first (Monday) or last (Friday) day of the week.
- Therefore, Alice must have started reading on Tuesday, Wednesday, or Thursday.
#### Clue 7:
- Deborah started reading a book that was not in the fantasy genre on Thursday.
- So, Deborah’s book is either Mystery, Science Fiction, Biography, or History, and she started reading on Thursday.
#### Clue 6:
- Elise did not buy mystery, biography, or fantasy books.
- Therefore, Elise must have bought either Science Fiction or History.
- Since the history book is already assigned to Tuesday (Clue 4), Elise must have bought the Science Fiction book.
#### Clue 2:
- Charlie started reading the day before Alice started reading, but the day after Bob started reading.
- This means:
- If Alice reads on Wednesday, Charlie reads on Tuesday, and Bob reads on Monday.
- If Alice reads on Thursday, Charlie reads on Wednesday, and Bob reads on Tuesday.
- If Alice reads on Friday, Charlie reads on Thursday, and Bob reads on Wednesday.
#### Clue 3:
- The biography enthusiast started reading the day after the person who bought the fantasy book.
- This means the biography book cannot be read on Friday (since there is no day after Friday).
1. Mystery Book:
- From Clue 1, the mystery book is read on Monday.
- From Clue 2, Bob reads on Monday (since Charlie reads the day after Bob).
- Therefore, Bob bought the mystery book.
2. History Book:
- From Clue 4, the history book is read on Tuesday.
- From Clue 2, Charlie reads on Tuesday (since Charlie reads the day before Alice).
- Therefore, Charlie bought the history book.
3. Science Fiction Book:
- From Clue 6, Elise bought the Science Fiction book.
- From Clue 2, Alice reads on Wednesday (since Charlie reads on Tuesday and Bob reads on Monday).
- Therefore, Elise reads on Friday (the only remaining day for Elise).
4. Biography Book:
- From Clue 3, the biography book is read the day after the fantasy book.
- From Clue 7, Deborah reads on Thursday, and her book is not fantasy.
- Therefore, Deborah bought the biography book, and she reads on Thursday.
- This means the fantasy book must be read on Wednesday (the day before Thursday).
5. Fantasy Book:
- From Clue 3, the fantasy book is read on Wednesday.
- From Clue 2, Alice reads on Wednesday.
- Therefore, Alice bought the fantasy book.
- Bob: Mystery, Monday
- Charlie: History, Tuesday
- Alice: Fantasy, Wednesday
- Deborah: Biography, Thursday
- Elise: Science Fiction, Friday
\[
\boxed{
\begin{array}{c|c|c}
\text{Name} & \text{Book Genre} & \text{Day} \\
\hline
\text{Alice} & \text{Fantasy} & \text{Wednesday} \\
\text{Bob} & \text{Mystery} & \text{Monday} \\
\text{Charlie} & \text{History} & \text{Tuesday} \\
\text{Deborah} & \text{Biography} & \text{Thursday} \\
\text{Elise} & \text{Science Fiction} & \text{Friday} \\
\end{array}
}
\]
Clues Recap:
1. The one who bought the mystery book couldn't wait and started reading on the first day of the week.
2. Charlie started reading the day before Alice started reading, but the day after Bob started reading.
3. The biography enthusiast started reading the day after the person who bought the fantasy book.
4. The person who bought the history book started reading on Tuesday.
5. Alice didn’t start her book on the first or last day of the week.
6. Elise did not buy mystery, biography, or fantasy books.
7. Deborah started reading a book that was not in the fantasy genre on Thursday.
Step-by-Step Solution:
#### Clue 1:
- The mystery book was read on Monday.
- So, the person who bought the mystery book started reading on Monday.
#### Clue 4:
- The history book was read on Tuesday.
- So, the person who bought the history book started reading on Tuesday.
#### Clue 5:
- Alice didn’t start her book on the first (Monday) or last (Friday) day of the week.
- Therefore, Alice must have started reading on Tuesday, Wednesday, or Thursday.
#### Clue 7:
- Deborah started reading a book that was not in the fantasy genre on Thursday.
- So, Deborah’s book is either Mystery, Science Fiction, Biography, or History, and she started reading on Thursday.
#### Clue 6:
- Elise did not buy mystery, biography, or fantasy books.
- Therefore, Elise must have bought either Science Fiction or History.
- Since the history book is already assigned to Tuesday (Clue 4), Elise must have bought the Science Fiction book.
#### Clue 2:
- Charlie started reading the day before Alice started reading, but the day after Bob started reading.
- This means:
- If Alice reads on Wednesday, Charlie reads on Tuesday, and Bob reads on Monday.
- If Alice reads on Thursday, Charlie reads on Wednesday, and Bob reads on Tuesday.
- If Alice reads on Friday, Charlie reads on Thursday, and Bob reads on Wednesday.
#### Clue 3:
- The biography enthusiast started reading the day after the person who bought the fantasy book.
- This means the biography book cannot be read on Friday (since there is no day after Friday).
Assigning Values:
1. Mystery Book:
- From Clue 1, the mystery book is read on Monday.
- From Clue 2, Bob reads on Monday (since Charlie reads the day after Bob).
- Therefore, Bob bought the mystery book.
2. History Book:
- From Clue 4, the history book is read on Tuesday.
- From Clue 2, Charlie reads on Tuesday (since Charlie reads the day before Alice).
- Therefore, Charlie bought the history book.
3. Science Fiction Book:
- From Clue 6, Elise bought the Science Fiction book.
- From Clue 2, Alice reads on Wednesday (since Charlie reads on Tuesday and Bob reads on Monday).
- Therefore, Elise reads on Friday (the only remaining day for Elise).
4. Biography Book:
- From Clue 3, the biography book is read the day after the fantasy book.
- From Clue 7, Deborah reads on Thursday, and her book is not fantasy.
- Therefore, Deborah bought the biography book, and she reads on Thursday.
- This means the fantasy book must be read on Wednesday (the day before Thursday).
5. Fantasy Book:
- From Clue 3, the fantasy book is read on Wednesday.
- From Clue 2, Alice reads on Wednesday.
- Therefore, Alice bought the fantasy book.
Final Assignments:
- Bob: Mystery, Monday
- Charlie: History, Tuesday
- Alice: Fantasy, Wednesday
- Deborah: Biography, Thursday
- Elise: Science Fiction, Friday
Final Answer:
\[
\boxed{
\begin{array}{c|c|c}
\text{Name} & \text{Book Genre} & \text{Day} \\
\hline
\text{Alice} & \text{Fantasy} & \text{Wednesday} \\
\text{Bob} & \text{Mystery} & \text{Monday} \\
\text{Charlie} & \text{History} & \text{Tuesday} \\
\text{Deborah} & \text{Biography} & \text{Thursday} \\
\text{Elise} & \text{Science Fiction} & \text{Friday} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of printable logic grid puzzles for middle school.