The origin point of Luni river, which flows in Rajasthan and Gujarat, is

Which of the following is a land-bounded river?

Which river does NOT flow through Rajasthan?

The river which flows through a fault trough, is?

Which river is the longest in India and flows through the states of Uttarakhand, Uttar Pradesh, Bihar, and West Bengal?

Which river flows through the states of Uttar Pradesh and Bihar and is a tributary of the Ganges?