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 perodical exam are represented in the line-graph given below.
Marks Obtained by student in Six Periodical Held in Every Two Months During the Year in the Session 2001 - 2002.
Maximum Total Marks in each Periodical Exam = 500
What are the average marks obtained by the student in all the periodical exams during the last session ?
373
379
381
385
Correct answer is C
Average marks obtained in all the periodical exams
= 1/6 x [360 + 365 + 370 + 385 + 400 + 405] = 380.83 ≈ 381.