There are 10 fish in a fish tank: - 2 are drowned. - 4 swim far away. - 3 die. How many fish are left? Answer 10
Mary's father has five daughters, who are: Nana, Nene, Nini, Nono. What is the name of the fifth daughter? Answer Mary
Michael has 3 daughters, and each daughter has a brother. How many children does Michael have? Answer 4