_____ was elected as the 7th executive President of Sri Lanka on 17 Nov, 2019 ?

1) Basil Rajapaksa
2) Nandasena Gotabaya Rajapaksa
3) Mahinda Rajapaksa
4) Sajith Premadasa

Explanation:
On November 17 2019, Sri Lanka’s former Defence Secretary Nandasena Gotabaya Rajapaksa has won the Presidential election by defeating Sajith Premadasa. Gotabaya Rajapaksa is the brother of former President Mahinda Rajapaksa. He replaced President Maithripala Sirisena for a period of 5 years. He served as a Defence Secretary at the end of Liberation Tigers of Tamil Eelam (LTTE) war.