Consider the following pairs: Tributary River Main River

(c) Khajuraho is located in the Bundelkhand region of Madhya Pradesh. Tirupati is located in Rayalaseema region.

(c) Vijayanagara or "city of victory" was the name of both a city and an empire. The empire was founded in the fourteenth century. In its heyday it stretched from...

(b) Hoolak found in North eastern reigon of India. It covers 38% of the forest area. Hoolak Gibbon is found in North Eastern region of India.

The answer is  (B) Ganga 

(c) Wardha river is a tributary of River Godavari.

(a) Ramganga, Gomit, Ghaghra, Gundak, Kosi, Son, Mahananda are the tributaries of Ganga.

(d) Tributaries of Brahmaputra in India are the Manas, Pagladiya, Puthimari, Dhanisri, Jia Bhariti and Subansiri.  Manas is a tributary of Brahmaputra Chambal is the chief tributary of Yammuna and sone...

(b) River       Tributary  Ganga          Gomti and Kosi  Indus           Chenab and Sutlej  Yamuna        Chambal and Ken  Godavari      Wainganga and Indravati

(c) Vijayanagara or “city of victory” was the name of both a city and an empire. The empire was founded in the fourteenth century. In its heyday it stretched from...