What is the problem? Please be detailed.
Q1. Which country are you from?
If I select USA then only city of USA is needed to display in another question
If I select Nepal then only city of Nepal is needed to display in another question
What ODK tool and version are you using? And on what device and operating system version?
What steps can we take to reproduce the problem?
What you have you tried to fix the problem?
Anything else we should know or have? If you have a test form or screenshots or logs, attach here.