Question: There are five hen and rooster pairs. Each pair has one baby every month.
How many chickens will there be in one year?
Answer: It is impossible to know because the chicken's babies could also have babies during this time.
Question: In a house of Kardak's family each brother have a sisters as double as their brothers and each sister have brothers as same as their sister. How many brothers and sisters in Kardak's family ?
Answer: 3 brothers and 4 sisters