sentence1: Calculate the average marks of a student who obtained 56 , 60 , 72 , 85 and 80 marks ( out of 100 ) in Geography , History and Government , Art , Computer Science and Modern Literature ?
sentence2: Calculate the average marks of a student who obtained less than 56 , 60 , 72 , 85 and 80 marks ( out of 100 ) in Geography , History and Government , Art , Computer Science and Modern Literature ?