Question: What are the 4 most populous countries in the world and what are their most spoken languages?

Decomposition:
question: What are the 4 most populous countries in the world?
answer: India, China, United States, Indonesia
question: What is the most spoken language in India?
answer: Hindi
question: What is the most spoken language in China?
answer: Mandarin
question: What is the most spoken language in the United States?
answer: English
question: What is the most spoken language in Indonesia?
answer: Indonesian

Answer:
India: Hindi
China: Mandarin
United States: English
Indonesia: Indonesian

Categories: Linguistics
Geography