25 Dec A quick riddle (ALBERT EINSTEIN)
The following people were at a family reunion:
one grandfather,
one grandmother,
two fathers,
two mothers,
four children,
three grandchildren,
two sisters,
one brother,
two daughters,
two sons,
one father-in-law,
one mother-in-law,
and one daughter-in-law.
What’s the fewest number of people who could have attended the reunion, and who were they?
Answer: Seven people are at the reunion: two girls and a boy, their parents, and their father’s parents.
Einstein’s riddle : riddles, paradoxes, and conundrums to stretch your mind
JEREMY STANGROOM