Many know that Gryffindor's ghost is Nearly Headless Nick. But what is his full name?
Answer: Sir Nicholas de Mimsy-Porpington.
Harry, Ron, and Hermione help save the Sorcerer's Stone from being stolen. How old was its co-creator, Nicholas Flamel, when he decided to destroy it?
Answer: 665.
Snape grilled Harry about this on his first day in Potions. Monkshood and wolfsbane are the same plant, also known as what?
Answer: Aconite.
New students need to learn the secrets of the castle. How many staircases does Hogwarts have?
Answer: 142.
This one is a doozy. Name every ingredient contained in Polyjuice Potion. (Hint: There are seven.)
Answer: Lacewing flies, leeches, powdered Bicorn horn, knotgrass, fluxweed, shredded Boomslang skin, and a bit of the person you want to turn into.
Quidditch players are constantly at risk of injury throughout the game. How many possible Quidditch fouls are there?
Answer: 700.
In "The Sorcerer’s Stone," Harry and his friends are awarded last-minute House Points, putting Gryffindor ahead of Slytherin by just 10 points. What was the final tally?
Answer: 482 to 472.
Ever the eccentric, Dumbledore has a scar above his left knee that is a perfect map of what?
Answer: The London Underground.
This one is a two-parter. Where does Vernon Dursley work, and what does the company produce?
Answer: Grunnings, a drill manufacturer.
For Harry's 17th birthday, what color did Hermione turn the leaves of the Weasley’s crabapple tree?
Answer: Gold.
Cedric Diggory let Harry use the prefect's bathroom in "The Goblet of Fire." What man's statue is next to the special lavatory entrance?
Answer: Boris the Bewildered.
Harry is known for his talents in Quidditch. What is the max speed for a Firebolt broomstick?
Answer: 150 mph.
Harry first took the Knight Bus in "The Prisoner of Azkaban." How much does a ticket cost if it includes hot chocolate?
Answer: 14 sickles.
In the Hall of Prophecy there are rows and rows of glowing orbs. Which row contains the prophecy about Harry and Voldemort?
Answer: Row 97.
In the Quidditch World Cup, Ireland's team had three main chasers: Mullet, Troy, and Moran. Which one scored the first goal?
Answer: Troy.
On the wall across from the Room of Requirement, there is a tapestry showing a wizard trying to teach trolls ballet. What's his name?
Answer: Barnabus the Barmy.
The visitor’s entrance to the Ministry of Magic is an abandoned red telephone booth in London. What is the five-digit code you must dial to get in?
Answer: 6-2-4-4-2. (Bonus: This spells M-A-G-I-C on a phone's keypad.)
What is the name of the Apparition instructor who comes to Hogwarts in Harry’s sixth year?
Answer: Wilkie Twycross.
Voldemort stole Helga Hufflepuff's cup from an old woman named Hepzibah Smith. What was the name of her house-elf?
Answer: Hokey.
