Detailed explanation and options for the selected question.
Qutb-ud-Din Aibak was the first ruler of the Delhi Sultanate, founding the Mamluk Dynasty. Option "Iltutmish" was a later ruler who consolidated the Sultanate. Option "Ala-ud-Din Khilji" was a famous ruler known for his military campaigns but not the first. Option "Razia Sultana" was the first woman ruler of Delhi, not the first overall.