Which one of the following African countries does not border with the Mediterranean Sea?

Which one of the following countries does not share a border with the Caspian Sea?

Which one of the following countries of South-West Asia does not open out to the Mediterranean Sea?

Which of the following countries does not have a land border with the Dead Sea?

Which of the following countries is NOT located on the bank of the Black Sea?

Which of the following seas does not have a coastline?