Q. Which of the following is/are tributaries of the Brahmaputra River?

1. Raidak River
2. Jaldhaka River
3. Rihand River

Select the correct option from the codes given below:
Answer: Only 1 & 2
Notes: The Raidak and Jaldhaka Rivers are tributaries of the Brahmaputra. Raidak flows through Bhutan, India, and Bangladesh. Jaldhaka originates in Sikkim and passes through Bhutan and West Bengal before joining Brahmaputra. The Rihand River is not a tributary of Brahmaputra; it is a tributary of the Son River, which in turn joins the Ganga.