Bimbisara was the founder of which one of the following dynasties?

Answer: Option B

Bimbisara was the son of Bhattiya, a chieftain. He ascended to throne at the age of 15 in 543 BC. He established the Haryanka dynasty laid the foundations of Magadha by fortification of a village, which later became the city of Pataliputra. Bimbisara's first capital was at Girivraja (identified with Rajagriha).