Question: When Harry first meets Dobby in his bedroom, in Chapter Two, he asks Dobby if the danger at Hogwarts has something to do with Voldemort. Dobby shakes his head no. But it is later revealed that Lucius Malfoy's plot did involve Voldemort after all. Why did Dobby lie to Harry?
Question: If all of the staff knew that Gilderoy Lockhart was a fraud, then why would they let him teach at Hogwarts?
Question: Did Professor Snape have an ulterior motive for participating in the Dueling Club, or was it just simple personal interest?
Question: When Lucius arrives at Hagrid's house, he says that he "called" the school and found out that Dumbledore was with Hagrid. Would Hogwarts have a telephone, seeing how a lot of Muggle technology is shunned in the wizarding world?
Question: If Hagrid was blamed for killing Myrtle, why was he allowed to join the Hogwarts staff as Gamekeeper? Surely parents of students and other staff would object to him remaining at the school.
Question: I am confused as to why the House Cup winner (Gryffindor) is named at the feast where Hagrid returns. Shortly after, there is a mention of "the rest of the final term" passing quickly. If school is still in session, couldn't the students' actions/behavior still change the total amounts of points?
Question: According to the Harry Potter Lexicon website (http://www.hp-lexicon.org/timelines/calendars/calendar_cs.html), exams would have taken place on June 3rd if Dumbledore had not cancelled them. But the students would go home on June 19th. My question is, what would students do between the 3rd and the 19th if there were no exams?