The capital of the ancient kingdom of Magadha during the reign of Bimbisara was:

💡 Solution & Explanation

Rajagriha served as the early capital of Magadha during the reign of Bimbisara because its location surrounded by five hills offered immense natural defense against rival kingdoms. Alternative options like Pataliputra became prominent later under his successors such as Udayin, while Champa was the capital of Anga. Magadha rose to imperial prominence due to its strategic control over rich iron ore deposits in the Chota Nagpur plateau.