Question: A claustrophobic person gets on a train. The train enters a tunnel just as it is leaving the station.
Where is the best place for him to sit?
Answer: In the back. The train will be accelerating so it will be going faster when the back of the train enters the tunnel so a person in the back will spend less time in the tunnel.
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