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 is the percentage of marks obtained by the student in the periodical exams of August, 01 and Oct, 01 taken together ?

What is the percentage of marks obtained by the student in the periodical exams of August, 01 and Oct, 01 taken together ?

A.

73.25%

B.

75.5%

C.

77%

D.

78.75%

Correct answer is B

Required percentage = [ (370 + 385)/(500 + 500) x 100 ] % = ( 755/1000 x 100 ) % = 75.5%.