Correct Answer: (d) Bharatrabhatta-I
Solution:The Gurjara-Pratihara dynasty, also known as the Pratihara dynasty was an imperial power during the last classical period on the Indian sub-continent, that ruled much of northern India from mid 8th to 11th century. They ruled first at Ujjain and later at Kannauj. The rulers of this dynasty were as follows Nagabhatta-I (730-756 A.D.), Vatsaraja (775-800 A.D.), Nagabhatta-II (800-833 A.D.), Mihir Bhoja-I (836-885 A.D.), Mahendrapala-I (885-910 A.D.), Devpala (948-949 A.D.), etc.