Three clocks, A, B and C were set at noon of one day.
When it was 6:00 p.m. by A, it was 5:50 p.m. by B In the same day.
When it was 7:00 p.m. by B, it was 7:20 p.m. by C.
When it is 11:00 p.m. by C of the day, find the time of A and B.
Answer