Question

On the train there is a grandmother, a grandfather, two mothers, two fathers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, a mother-in-law, a father-in-law and a daughter-in-law. How many of the family are on the train?

Answer 1

There were two little girls and a boy, their parents, and their father’s parents, totaling seven people.

Answer 2

In total, there are 7 people including the kids, their parents and grand-parents.  

There were 2 sisters and 1 son so this brings up the total of 3, with 2 parents and 2 grand-parents.

So there are total 7 of them who are traveling in the train.