Which ruler had made Pataliputra the capital of his empire for the first time?

Which was the first capital of ancient Mahajanapada Magadh?

In which century did the first Magadhan Empire rise?

Which of the following rulers merged Avanti in the Magadh Empire after the victory?

Champa was the capital of which Mahajanapada?

Which initial ruler of Magadha killed his father for enthroning and also was killed by his son for the same reason?