On the death of which Muslim ruler a historian said ‘the king was freed from his people and they from their king’?

Which period is called the era of “the rule of the Forty” in the history of Delhi Sultanate age?

During the regime of which Sultan was the Khalisa land developed on a large scale?

“When he attained Kingship, he was fully independent of from rules and orders of Shariat.” For which Sultan Barani made this statement?

Who of the following Muslim rulers enforced a strict price control system during his time?

Who was the first Muslim ruler to formulate the 'theory of kingship' similar to the 'theory of divine right of the kings'?