What is the population size of Bangladesh?

                             14.79 crore ( source: economical observation 2011)

What is the volume of Bangladesh?

                  Volume of Bangladesh is 147570 square km
                                OR
                 Volume of Bangladesh is 56977 square miles

What is the state language of bangladesh?

                            Bangla is the state language of Banladesh.

What is the capital of bangladesh?

                    Dhaka is the capital of Bangladesh.