Q. Which of the following countries border the Caspian Sea?

1. Azerbaijan
2. Afghanistan
3. Russia
4. Iran
5. Iraq

Select the correct code from the options below:
Answer: Only 1, 3 and 4
Notes: The Caspian Sea is bordered by Kazakhstan, Russia, Turkmenistan, Azerbaijan, and Iran. Afghanistan and Iraq do not border the Caspian Sea. Thus, among the given options, only Azerbaijan (1), Russia (3), and Iran (4) directly border the Caspian Sea.