Q. Who among the following was the world's first woman prime minister?
Answer: Sirimavo Ratwatte Dias Bandaranaike
Notes: Sirimavo Ratwatte Dias Bandaranaike (17 April 1916 – 10 October 2000) was a Sri Lankan politician. She served as prime minister three times and was the leader of the Sri Lanka Freedom Party. She was the first female to be elected as head of government in the world.