Riddle

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Choose an answer

A.25 years old
B.40 years old
C.60 years old
D.50 years old.
Hint: It's a 2-word phrase with 8 letters, starting with "5".

Answer

50 years old.

Why this is the answer

Setting up the age ratios and the future condition algebraically solves for the daughter's current age as 50.

This riddle is filed under Dirty, Family Riddles and rated Hard.