সাধারণ জ্ঞান

Comprehensive Nuclear-Test-Ban Treaty (CTBT) was signed on 24 September, 1996 and is a multilateral treaty to ban nuclear weapons test explosions and any other nuclear explosions, for both civilian and military purposes, in all environments.Bangladesh deposited its instrument of ratification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) with the Secretary-General of the United Nations on 8 March 2000.

Mohhamad nazib bin razzak born 23 July 1953) is a Malaysian politician who served as the 6th prime minister of Malaysia from April 2009 to May 2018. He is the son of another former prime minister, Abdul Razak Hussein. Najib Razak was the chairman of the Barisan Nasional (BN) coalition from April 2009 to May 2018 and the president of the United Malays National Organisation (UMNO) from November 2008 to May 2018,which had maintained control of Malaysia's government with a parliamentary majority for more than sixty years until the coalition's defeat in the 2018 general election.