| Term | Definition |
| What is Arthur's last name? | Dent |
| What COLOR keeps running through Arthur's mind at the beginning of the story? | yellow |
| To whom is Mr. Prosser distantly related? | Ghenghis Khan |
| What does Mr. Prosser want to build? | a bypass |
| What is Ford's last name? | Prefect |
| Where is Ford from? | Betelguese |
| Where does Ford want to take Arthur at the beginning of the story? | to a pub |
| What does Ford want Arthur to drink in the beginning of the story? | beer |
| What is the most important thing to have with you when hitchhiking? | a towel |
| What does Prostetnic Vogon Jeltz want to do to the earth? | build an express route through it |
| What is Beeblebrox's first name? | Zaphod |
| What is Beeblebrox's title? | President |
| On what planet do we first see Beeblebrox? | Damogran |
| What is Beeblebrox unveiling at the beginning of the story? | a ship |
| What is the name of what Beeblebrox is unveiling at the beginning of the story? | Heart of Gold |
| How did Ford and Arthur escape from Earth? | hitchhiking |
| What allows Arthur to understand the Vogon language? | a Babel fish |
| How does the Hitchhiker's Guide to the Galaxy describe the Earth? | "mostly harmless" |
| What do the Vogons use to torture their prisoners? | poetry |
| What phrase does the Vogon guard who is supposed to throw Arthur and Ford off the ship keep repeating? | "Resistance is useless!" |
| Where do Ford and Arthur end up after being kicked off the Vogon ship? | the Heart of Gold |
| What is the ship powered by? | the Infinite Improbability Drive |
| What play do a bunch of monkeys write at the end of chapter 8? | Hamlet |
| Whose voice carries over the ship's sound system in chapters 8-13? | Trillian's |
| What is the name of the robot? | Marvin |
| What is the robot's general attitude? | depression |
| What is the general attitude of the shipboard computer? | cheerfulness |
| How are Ford and Beeblebrox related? | they're semi-cousins |
| By what other name does Arthur know Beeblebrox? | Phil |
| How do Ford and Beeblebrox know each other? | they both tried to pick up the same girl at a party |
| What kind of pets does Trillian own? | mice |
| What do the crew of the Heart of Gold discover? | a planet |
| What is the name of what the crew of the Heart of Gold discovers? | Magrathea |
| What did the people in the place that the crew of the Heart of Gold manufacure? | planets |
| What does the five-million-year-old tape threaten to shoot at the crew? | nuclear missiles |
| What does Eddie the shipboard computer do during the critical moment when the five-million-year-old tape threatens the crew? | sing |
| What is one thing that one of the missiles, improbably, turns into? | a bowl of petunias |
| What does the second missile, improbably, turn into? | a whale |
| What causes the crater on the planet that the Heart of Gold lands on? | a whale |
| What is/are burned into Beeblebrox's brain? | his initials |
| What common objects was Veet Voojagig obsessed with? | ballpoint pens |
| Who is Arthur with, wandering the surface of Magrathea? | Marvin |
| Who is the old man who meets Arthur? | Slartibartfast |
| Who knew about the impending destruction of the earth before the humans? | dolphins |
| What was the last message of the life forms who knew about the destruction of the earth before the humans? | "So long, and thanks for all the fish" |
| What will the SECOND version of Earth be called? | Earth Mark Two |
| What does the old man say the earth was built by? | mice |
| Who programmed the super-computer in chapter 25? | Lunkwill and Fook |
| What is the name of the super-computer? | Deep Thought |
| How long does the super-computer say it will have to ponder the question of Life, the Universe, and Everything? | seven and a half million years |