1.

Multiply the number of your brothers by 2

add 3

multiply by 5

add the number of your sisters

multiply by 10

add the number of living grandparents

subtract 150....

AND

the first digit of the remainder will be the number of brothers

the second digit will be the number of sisters

and the third will be the number of grandparents.

2.

a Man's Wife's Brother's Sister's Mother's Son-in-law's Brother's Wife's Son's Mother's Mother is ............?

Answer:

The Man's Brother's Mother-in-law!