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A farmer wants to cross a river with a wolf, a goat, and a cabbage.
He can take one at a time; wolf can’t be left with goat, goat can’t be left with cabbage. Minimum crossings?
Answer
7 crossings
Explanation
Sequence: take goat; return; take wolf; return goat; take cabbage; return; take goat → 7 crossings.
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