A group of 50 people was asked which of three newspapers, A, B or C they read. The results showed that 25 read A, 16 read B, 14 read C, 5 read both A and B, 4 read both B and C, 6 read both C and A and 2 read all 3.

(a) Represent these data on a Venn diagram. Find the probability that a person selected at random from this group reads

(b) at least 1 of the newspapers,

(c) only 1 of the newspapers,

(d) only A. (L)