In a survey of 60 people, it was found that 25 people read newspaper H. 26 read newspaper T, 26 read newspaper 1, 9 read both H and I. 11 read both H and T, 8 read both T and I, 3 read all three newspapers. Find: (i) the number of people who read at least one of the newspapers. (ii) the number of people who read exactly one newspaper

Answer

`(1)/(4)n(n-1)(n^(2)+3n+4)`