During modern history Martanda Verma emerged as the strong ruler of: A. Karnataka B. Kerala C. Maharashtra D. Tamil Nadu

The correct answer is: B. Kerala

Marthanda Varma was the ruler of the Kingdom of Travancore in Kerala from 1729 to 1758. He is considered to be one of the greatest rulers of Kerala. He was a strong and able ruler who expanded the kingdom and brought it to a period of great prosperity. He also introduced many reforms, including the introduction of a new system of land revenue and the construction of many roads and canals.

The other options are incorrect because:

• Karnataka was ruled by Hyder Ali and Tipu Sultan during this period.
• Maharashtra was ruled by the Maratha Empire during this period.
• Tamil Nadu was ruled by the Nayak kingdoms during this period.