Study the following table carefully to answer these questions:
Percent of Marks obtained by six students in six subjects
SubjectHistoryGeographyMathsScienceEnglishHindiMax.Marks75751001505060A826659766265B767265847475C567871668670D648068726680E486883885660F607479648085
What are the average marks obtained by all the students in Science out of 150 ?