text10 questionsapproved
River Crossing Puzzles (carry/constraints variants)
Classic river-crossing brainteasers (wolf-goat-cabbage, torch/bridge, jealous husbands/missionaries-and-cannibals): answer minimum crossings, times, or short canonical moves.
Source
AI-drafted from cluster "River Crossing Puzzles (carry/constraints variants)". Source: https://en.wikipedia.org/wiki/River_crossing_puzzlehttps://en.wikipedia.org/wiki/River_crossing_puzzle →
Preview · 10 answers
- 01In the classic wolf-goat-cabbage puzzle, what is the minimum number of boat crossings required to get all three items across safely?
- 02In the optimal solution to the wolf-goat-cabbage puzzle, which item is taken across first?
- 03In the standard torch-and-bridge puzzle with walkers taking 1, 2, 5, and 10 minutes, what is the minimum total time to get all across?
- 04In the optimal torch-and-bridge solution (1,2,5,10), which two people cross together first?
- 05In the jealous husbands (three couples) river-crossing puzzle with a two-person boat, what is the minimum number of boat crossings required?
- 06In many canonical solutions to the three couples jealous-husbands puzzle, which kind of pair typically makes the first crossing?
- 07In the missionaries-and-cannibals (3 and 3) puzzle with a two-person boat, what is the minimum number of boat crossings required to solve it?
- 08The fox-goose-beans puzzle is equivalent to wolf-goat-cabbage. What is the minimum number of crossings for the fox-goose-beans puzzle?
- 09In the optimal torch-and-bridge (1,2,5,10) solution, how many individual boat traversals (crossings) occur?
- 10In the standard optimal wolf-goat-cabbage solution, how many times does the boat return to the original side (i.e., how many return trips are made)?
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Strong picks.
Took me three tries to get over 80%.
Finally got over 90%. Took me a week.
Why did I not know question 9?
Useful one for trivia night prep.