Explanation

the six official languages of the United Nations.

Arabic,

Chinese,

English,

French,

Russian 

Spanish

English and French are the working languages of the United Nations Secretariat and are used in day-to-day professional exchanges.

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Founded: October 24, 1945, in San Francisco, California, United States

Headquarters: New York, New York, United States

Founders: United States, India, United Kingdom, Brazil, France

General Assembly is the largest organ of the United Nations organization, located in New York, USA. 

There are six main organs of UNO.