A family gathering included one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law and one daughter-in-law.
What can be the minimum number of people present in the gathering?
The party consisted of the following:
b(1), g(1) and g(2) --> one boy and two girls
f(1) and m(1) --> respectively father and mother of b(1), g(1) and g(2)
f(f(1) and m(f(1) --> respectively father and mother of f(1)
Accordingly, the required minimum number of people in the party = 1+2+2+2=7
Puzzle Solution
