A Mixed Pedigree
Joseph Bloggs: "I can't follow it, my dear boy. It makes me dizzy!"
John Snoggs: "It's very simple. Listen again! You happen to be my father's brother-in-law, my brother's father-in-law, and also my father-in-law's brother. You see, my father was--"
But Mr. Bloggs refused to hear any more. Can the reader show how this extraordinary triple relationship might have come about?
Its source prints no answer for this problem, so there's nothing to check against.
H. E. Dudeney, Amusements in Mathematics (1917) · No. 55
No hints for this one.
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