On the bank of which river is Mathura situated?

 On the bank of which river is Lucknow situated?

Name the famous city on the banks of the river Hugli.

Which is the longest river?

 On the bank of which river is Patna situated?

In which country is River Darling?

The largest river in France.

Find out the odd one.

On the bank of which river is Cuttack situated?

In which country is Danube River in?