Which country is a developing country?

A) India

B) Monaco

C) Europe

D) Switzerland

Answer: A - India.

Explanation: Europe is not a country and Monaco/Switzerland rank high in terms of GDP per capita, much higher than India.

Answer: INDIA.

Explanation: in economics, a developing country is defined as a "poorer" country which is seeking to expand its economy.

Now, amongst the options above, Europe is not a country, Monaco and Switzerland have a higher GDP than India making India the poorer country here. As defined by the definition of a developing country, a poorer country seeking to expand its economy.