Benji and Frankie
What is the name of the engine which has been powering The Heart of Gold?
The Infinite Improbability Drive
Norway
What is the name of the item that helped Arthur understand all the languages of the Universe?
Babel Fish
What is the Ultimate Answer?
42
Genghis Khan
Who helped Arthur and Ford survive demolition of the Earth by Vogons?
The Dentrassis
In which London district was the party where Trillian and Zaphod first met?
Islington.
What was the name of the second-greatest computer in the universe?
Deep Thought
Which is the most massively useful thing an interstellar hitchhiker could have?
Towel
What was the last sentence of the sperm whale before dying? (precise citation or context gets points)
I wonder if it will be friends with me?
Context: Sperm Whale have discovered new word - ground, and was flying towards it, and it wondered about friendliness of it.
In what have transformed two Margrathean rockets who were attacking The Heart of Gold?
What is the home planet of the Ford Prefect?
Betelgeuse Five
What is the name of the company, which made Marvin?
Sirius Cybernetics Corporation
What does the entry about Earth in The Hitchhiker's Guide to the Galaxy sound like?
"Mostly harmless."
Who gave the idea of stealing The Heart of Gold to the Zaphod Beeblebrox?
Yooden Vranx
What was the reason for the death of the Blagulon ship?
Suicide caused by Marvin
In which part of interstellar medium Zaphod have found the planet of Margrathea?
Horsehead Nebula
What is the name of the technology, that showed Arthur events of the great day of the Answer from Deep Thought?
Sens-O-Tape
Who is the publisher of The Hitchhiker's Guide to the Galaxy? (in the lore of HGttG)
What is the name of the creator of the very worst poetry in the universe?
Paula Nancy Millstone Jennings
There was going a war between the Vl'hurgs and G'gugvuntts. Name a sentence which interrupted their last diplomatic meeting and been said by Arthur.
In which section of the open space Arthur and Ford have been picked up by the Heart of Gold?
Section ZZ9 Plural Z Alpha
What is an R?
Velocity measure, defined as reasonable speed of travel that is consistent with health, mental wellbeing and not being more than say five minutes late.
Survival, Inquiry and Sophistication
(How, Why and Where is not official name, so it does not count:) )