A survey of 120 students on campus showed that 28 read

A survey of 120 students on campus showed that 28 read the Campus Observer student newspaper that morning, 23 read the news via the Internet that morning, and 20 read the local city paper that morning. Eight read the Campus Observer and the Internet news that morning, while four read the Internet news and the local paper, six read the Campus Observer and the local city paper, and one person read the Campus Observer, the Internet news, and the local paper.

Q1. How many read the Internet news or local paper but not both?

Q2. How many students read the Internet news or Local paper but not Campus Observer?

Q3. How many students read the Internet news or Campus Observer or both?