5. Why couldn't the unknown conductor be one of the people Poirot had met?
(a) All of their voices were masculine
(b) Unknown conductor was probably a woman
(c) Build was too small
(d) The unknown conductor was the only one to lose a button

6. Why does Poirot have to have special permission to search the Count and Countess' luggage?
(a) Royals have special privileges
(b) They own the train company
(c) The luggage contains valuable objects
(d) They have diplomatic immunity

7. Which clue was most likely planted to mislead Poirot?
(a) Note
(b) Handkerchief
(c) Watch
(d) Pipe cleaner

8. What is the real identity of the Countess?
(a) Investigator for the train company
(b) Mrs. Armstrong's younger sister
(c) Ratchett's wife
(d) The Princess' mother

9. With what object does Poirot confront Colonel Arbuthnot?
(a) Pipe cleaner
(b) Broken watch
(c) Missing button
(d) Forged passport

10. What was the name of Daisy Armstrong's nurse?
(a) Ohlsson
(b) Schlossburg
(c) Hildegarde
(d) Stengelberg

11. What was so strange about Ratchett's decree that everything was okay?
(a) Tone
(b) Language
(c) To whom he was speaking
(d) What he said

12. What was the importance of the grease spot?
(a) The passenger was a slob
(b) It hid the real name of the passenger
(c) No importance at all
(d) The passenger had tampered with the train's brakes

13. What profession did Miss Freebody hold?
(a) Governess
(b) Dance instructor
(c) Tutor
(d) Upstairs maid

14. Why does the Countess claim to remember so little?
(a) She was drugged
(b) She was very young
(c) She was asleep
(d) She was away at school

15. What topic does Miss Debenham find impertinent?
(a) Having an affair
(b) Murder
(c) Gambling
(d) Marriage