Multiple choice Which of the following is not a tributary of the Brahmaputra River? Manas Chambal Teesta Kopoli Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Chambal River is a tributary of the Yamuna River, which itself joins the Ganga. It is not part of the Brahmaputra system. Manas, Teesta, and Kopili are all tributaries of the Brahmaputra River, flowing through Assam and surrounding regions.