Which river is called the 'Sorrow of Bihar'?

उत्तर: (B) Kosi

• (A) चूक

  Wrong: not so called.

• (B) बरोबर

  Correct: the Kosi's frequent course changes and floods earned it this name.

• (C) चूक

  Wrong: not so called.

• (D) चूक

  Wrong: not so called.

• (E) चूक

  Wrong: only one of the options A–D is correct.