The reason is because of time zones. Since they are on the opposite side of the world, they also have opposite time. 10 AM in Washington DC is 8:30 PM in Bengaluru. You get your time zone based on your latitude and longitude.
The Mughal Empire in the 1700s
2f+10=36 Each friend gets two candy bars (2f) and there are 10 spare bars (10). If the total is 36, then he can only treat 13 friends.
