Rivers belonging to which one of the following groups form the boundary between Bihar and Uttar Pradesh?
- AKamla, Son and Baghmati
- BBudh Gandak, Kosi and Ganga
- CKarmanasa, Gandak and Ghaghara
- DNorth Koel, Ajay and Punpun
Show answer and explanation
Correct answer: (c) Karmanasa, Gandak and Ghaghara
Explanation
The Karmanasa, Gandak and Ghaghara rivers determine the boundary line between Uttar Pradesh and Bihar. The Karmanasa merges into the Ganga near Chausa of Buxar, the Gandak near Pahleja Ghat (Saran district), and the Ghaghara near Revelganj (Saran district).