Q. Who was the last ruler of the Tughluq dynasty of the Delhi Sultanate?
(a) Firoz Shah Tughlaq
(b) Ghiyas-ud-din Tughlaq Shah II
(c) Nasir-ud-din Mahmud
(d) Nasrat Shah
Ans: (c) Nasir-ud-din Mahmud
Explanation: Nasiruddin Mahmud was the last ruler of the Tughlaq dynasty who ruled from 1394 to 1412. In the following years, the Delhi Sultanate had disintegrated further. Many provinces like Malwa and Gujarat declared their independence. Timur invaded India in 1398 A.D., which further worsened the situation. His invasion delivered a death blow to the Tuglaq dynasty.