Q. Which of the following Chola kings defeated the Pandyas, Cheras, and the ruler of Sri Lanka?
Answer: Rajadhiraja
Notes: Rajadhiraja was an emperor of the Indian Chola empire. He succeeded his father Rajendra Chola I. He ranks among the most valiant of kings in Indian history, as noted by his numerous brilliant military victories. He ably defeated the Pandyas, Cheras, and the ruler of Sri Lanka.