Disappearing Money
Riddle: Lisa has ten dollars. Lisa's brother Cory asked for two dollars, so Lisa gave him two dollars. Lisa went to the store and bought some stuff for four dollars. When Lisa gets home she has no money left. How is this possible?
Answer: Lisa took a taxi to the store and back home. She payed two dollars to go to the store and two to go home.
Source: https://www.riddles.com/3289
