1. Why is the nickname “Encyclopedia” suitable for Leroy? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: It is suitable because Leroy reads more books than anyone around him and remembers facts extremely well. His head is compared to an encyclopedia filled with information.

2. What evidence made Nolan and Davenport suspicious? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: They had met in prison, Davenport stayed with Nolan shortly before the robbery, a clerk thought she recognised Nolan, and Davenport disappeared immediately afterwards.

3. Why does Nolan’s will make Davenport important again? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: The will leaves Nolan’s property, including the nursery, to Davenport. Since Davenport had vanished after the robbery, this new link gives the police a reason to find him again.

4. Why does Mrs Brown’s literal interpretation fail? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: Each word has an ordinary meaning, but those meanings do not combine into a sensible message for Davenport. The words must therefore be functioning as parts of a code rather than normal vocabulary.

5. Why is Leroy’s question about a fir tree surprising? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: Nothing in the four written words directly says “fir tree”. His question seems unrelated until the weekday code is explained, which makes the deduction impressive.

6. How does the calendar sheet act as the key to the code? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: It tells Leroy to think of days of the week. Once he tests weekday names, he sees that Monday through Thursday can be changed into the four written words by removing D-A-Y and rearranging the remaining letters.

7. Why is “fir” the fifth word? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: The first four coded words represent Monday to Thursday after D-A-Y is removed and the remaining letters are rearranged. Applying the same rule to Friday leaves F-I-R.

8. How does the solution justify the title “The Case of the Fifth Word”? 2 Marks
How to answer: Give the central reason and a supporting clue.
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Answer: The mystery can be solved only by identifying the unwritten fifth word in Nolan’s weekday code. That missing word, “fir”, reveals where the stolen jewellery is hidden.

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CA Maninder Singh

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