In a school the periodical examination are held every second month. In a session during April 2001 - March 2002, a student of Class IX appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line-graph given below.What are the average marks obtained by the student in all the periodical exams during the last session ?

In a school the periodical examination are held every second month. In

1.	In a school the periodical examination are held every second month. In a session during April 2001 - March 2002, a student of Class IX appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line-graph given below.What are the average marks obtained by the student in all the periodical exams during the last session ?
A.	373
B.	379
C.	381
D.	385
Answer» D. 385