Explanation

There were Four Governor Generals of Pakistan 1. Muhammad Ali Jinnah was the first governor general of Pakistan and his period was between 15 August 1947 to 11 September 1948 (1 year and 26 days) 2. Khawja Nazimuddin was the second governor general of Pakistan and his period was from 14-09-1948 to 16-10-1951 (3 years 1 months 3 days) 3. Malik Ghulam Muhamamd was the third and longest tenure as the Governor General of Pakistan and his period was from 19-10-1951 to 05-10-1955 (3 years 11 months 16 days) 4. Maj-Gen (R) Iskandar Mirza had the shortest tenure as Governor General of Pakistan. his period was from 6 October 1955 to 23 March 1956 (5 months 17 days) after that he was First President of Pakistan (23 March 1956 to 27 October 1958)