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

Which one of the following rivers is not a tributary of river Brahmaputra?

Which river among the following does not join the Ganga river from left?

Which of the following rivers is not a tributary of the River Indus ?

Which of the following cities is located on the banks of the river Brahmaputra?

Which of the following rivers does not form delta?