Three sentences are given. You need to find if they are grammatically correct or incorrect and mark the answer accordingly.

(P) One evening he came home with a small bundle of notes, saying he had just sold a book to a publisher

(Q)I had been working for Anil for almost a month and, apart from cheating on the shopping, had not done anything in my line of work

(R). He was the mostly trusting person I had ever met.