Question: A man goes to work taking a very long bus route, transferring to different buses many times. First, he gets on bus number 60, then bus number 12, then bus number 240, then bus number 48. Which two buses would he get on next?
Answer: Bus 960, then bus 192. The pattern is bus number times 20, then divided by 5.
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