Multiple choice general knowledge math & puzzles Of which river in India is the Sone a tributary? Sutlej Ganga Brahmaputra Cauvery Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Sone River is a principal southern tributary of the Ganges (Ganga) River. It originates near Amarkantak in Madhya Pradesh and joins the Ganga near Patna. The Sutlej, Brahmaputra, and Cauvery belong to different river systems.