A Conversation for Puzzles, Mindbenders and Brainteasers (questions)
Puzzle no. 20
Dolphin Girl: Patron Saint of Incoherent Ramblings; Keeper of Flutes and Singing Watches Started conversation May 28, 1999
A worm is at the bottom of a forty metre hole. It can crawl upwards at the rate of four metres in one day, but at night, it slips back three metres. At this rate, how long will it take the worm to crawl out of the hole?
Key: Complain about this post
Puzzle no. 20
More Conversations for Puzzles, Mindbenders and Brainteasers (questions)
Write an Entry
"The Hitchhiker's Guide to the Galaxy is a wholly remarkable book. It has been compiled and recompiled many times and under many different editorships. It contains contributions from countless numbers of travellers and researchers."