Q. Which of the following sultans founded the city of Jaunpur? Answer:
Mohammad Bin Tughlaq
Notes: Firuz Shah Tughluq founded the city of Jaunpur which he named after his cousin Jauna or Juna Khan, i.e. Muhammad bin Tughluq. Jaunpur developed into a strong military force during the rule of Sharqi dynasty, and the Delhi Sultanate was often threatened by this power.