Which of the following statements is true regarding Pataliputra, the capital of the Magadha Kingdom?

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

Kaushambi was the capital of which of the following Mahajanpadas ?

Which of the following is not correctly matched?

Which one of the following rulers of Magadha was the contemporary of Alexander, the Great?

Which was the first capital of ancient Mahajanapada Magadh?