Which one of the following is a tributary of the Brahmaputra River?

Which one of the following is a tributary of the Brahmaputra River?

Ghaggar
Mahi
Kosi
Manas
This question was previously asked in
UPSC CAPF – 2022
The Manas River is a major transboundary river that flows through Bhutan and India and is a tributary of the Brahmaputra River.
The Brahmaputra is a major river flowing through Tibet, India, and Bangladesh. It has numerous tributaries joining it from the north and south.
The Ghaggar is an intermittent river in India and Pakistan. The Mahi River flows through Rajasthan, Madhya Pradesh, and Gujarat into the Arabian Sea. The Kosi River is a major tributary of the Ganges (Ganga) River. Other important tributaries of the Brahmaputra include Dibang, Lohit, Subansiri, Buri Dihing, Dhansiri, Kolong (right bank) and Dibru, Buri Dihing, Desang, Dikhow, Dhansiri, Kopili (south bank). Manas is a prominent right-bank tributary.