Câu hỏi:
Four people are sitting around a campfire after a long day of recreation, when one man comments: "Do you realize that around this campfire, the four of us include a mother, father, brother, sister, son, daughter, niece, nephew, aunt, uncle and a couple cousins"?. If everyone is related by blood (with no unusual marriages) how is this possible?
Đáp án:
The campfire circle includes a woman and her brother. The woman's daughter and the man's son are also present.
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