The distance between two cities A and B is 330 Km. A train starts from A at 8 a.m. and travel towards B at 60 km/hr. Another train starts from B at 9 a.m and travels towards A at 75 Km/hr. At what time do they meet?

A. 10 am

B. 11 am

C. 12 pm

D. 1 pm

Please do not use chat terms. Example: avoid using "grt" instead of "great".