Q. Arrange the following tributaries of the Indus river in descending order of their lengths:
  1. Satluj
  2. Chenab
  3. Jhelum
  4. Beas
Which of the following is the correct sequence?

Answer: 1, 2, 3, 4
Notes: The descending order of the Indus river tributaries by length is: Satluj (1,450 km), Chenab (960 km), Jhelum (725 km), and Beas (470 km). Therefore, the correct sequence is Satluj, Chenab, Jhelum, and Beas, making option 2 correct.