Which of the following tributaries of the Ganga system flows Northwards?

Among the following tributaries, which one is the part of the Ganga river basin?

Which of the following is tributary of Godavari?

Which one of the following tributaries of river Indus feeds the canal system of the Bhakra Nangal Project ?

Which of the following tributaries does not join Brahmaputra river from north?

Which of the following river flow westwards?