Logical thinking and problem solving: Choose A, B C or D to answer each question. Trả lời cho các câ...

Question

Logical thinking and problem solving: Choose A, B C or D to answer each question. Trả lời cho các câu 646, 647, 648, 649, 650 dưới đây: Câu 646 : A farmer needs to transport a fox, a chicken, and a bag of corn across a river. The boat can only carry the farmer and one item at a time. If left alone together, the fox will eat the chicken and the chicken will eat the corn. Which should the farmer take across first to solve the problem safely? A. The chicken. B. The corn. C. The fox. D. It doesn’t matter

Accepted Answer

Câu 646 (VD): A farmer needs to transport a fox, a chicken, and a bag of corn across a river. The boat can only carry the farmer and one item at a time. If left alone together, the fox will eat the chicken and the chicken will eat the corn. Which should the farmer take across first to solve the problem safely? A. The chicken. B. The corn. C. The fox. D. It doesn’t matter ∙ Phương pháp giải: Bài toán qua sông (Logic cổ điển). ∙ Giải chi tiết: Quy tắc: Cáo ăn Gà, Gà ăn Ngô. Nếu mang Cáo đi -> Gà ăn Ngô (Thua). Nếu mang Ngô đi -> Cáo ăn Gà (Thua). -> Phải mang Gà đi trước. Khi đó bờ bên kia có Gà, bờ bên này còn Cáo và Ngô (Cáo không ăn Ngô -> An toàn). ∙ Đáp án: A

Logical thinking and problem solving: Choose A, B C or D to answer each question. Trả lời cho các câu 646, 647, 648, 649, 650 dưới đây: Câu...

Đề bài

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