6. How old was Mr. Nam when he was still at school?
The text does not provide specific information about Mr. Nam’s age when he was at school, so this question cannot be answered directly from the given passage.

7. What were the main sources of learning for Mr. Nam?
Based on the context, we can infer that Mr. Nam's main sources of learning would likely have been teachers and textbooks, as the passage contrasts learning today with his time, where the Internet and other modern tools were not available.

8. How do students today, like Mai, find answers to their questions?
Students today, like Mai, use the Internet to find answers to their questions. Google is specifically mentioned as a tool that helps them find answers to almost any questions.

9. What modern facilities do students in Mai's village have that Mr. Nam's generation did not?
Students in Mai's village have access to TVs at home, a library, and computers at school, which Mr. Nam's generation did not have.

10. What does the word "we" refer to?
The word "we" refers to the students of Mai's generation, specifically the students in her village who have access to modern learning facilities.