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What is the mother tongue of Bangladesh?

Bangladesh

Name: Bangladesh

Abbreviation: Bangladesh

Official name: People's Republic of Bangladesh

Capital: Dhaka

Land: Asia

Major cities: Chittagong, Kurna, rajshahi, Barisar and Silet.

Currency: Taka

Mother tongue: Bengali

Zuo Youming: I don't know

Imperial area (square kilometers): 144000.

Highest point: Keokradong 1, 230 m.

Neighboring countries or regions: India, Myanmar

Nearby waters: Indian Ocean

Population (millions): 138.45

Per capita GDP (USD): 1.700

Population density (km2): 96 1.45.

Average age (age): 2 1.2

Average life expectancy (age): 6 1.33

Internet code:. Bottom fuze (abbreviation of base detonating)

User: 150000(2002)

Time zone/time difference with Beijing: GMT+06:00/-2.