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In an examination, a student gets an average of 76.2 marks. The total marks for the five subjects are 500. His marks in 4 subjects are mentioned, calculate the marks obtained by the students in Social science marked as 'x' in the table below.
The given table represents the marks obtained by four students W, X, Y and Z in four subjects P, C, B and M, with the maximum marks in each subject being 100.
The average marks of the four students in P and C together (round to one decimal) is