Q. Who is the longest serving Chief Minister of Karnataka?
Answer:
D. Devaraj Urs
Notes: The longest-serving chief minister, D. Devaraj Urs, held the office for over seven years in the 1970s. The Janata Party's Ramakrishna Hegde has the second-longest tenure, while the Congress's Veerendra Patil had the largest gap between two terms (over eighteen years).