1 of 5
Where does Poirot assemble the passengers to present his conclusions about the crime?

2 of 5
In Poirot's first hypothetical solution to the mystery, a single assassin boarded the train at which station?

3 of 5
In Poirot's first hypothetical solution to the mystery, what was the killer wearing?

4 of 5
What did Colonel Arbuthnot call Mary Debenham, which alerted Poirot to their intimate relationship?

5 of 5
Who offers to take the fall for the crime, asking Poirot to leave the others out of it?