Q. Which river separated the ancient Kingdom of Kashi from the Magadh region?
Answer: Son
Notes: The Son River served as a boundary between the ancient Kingdom of Kashi and Magadh. Both regions are now part of Bihar, India. The Son is the second largest southern tributary of the Ganga and flows through Kaimur, Rohtas, Buxar, and Bhojpur districts.
Question Source: 📚This question is part of the Bihar General Studies [1500+MCQs] course available only in the GKToday Android App. Download the app now. Download the app here.
📌 Question Number: 251 in 1. Ancient History of Bihar in the above course in App.