Mathematics · Data Interpretation

The following table gives the percentage of marks obtained by seven students in six different subjects in an examination. The numbers in the brackets give the maximum marks in each subject. Student Maths (150) Chemistry (130) Physics (120) Geography (100) History (60) Computer Science (40) Ayush 90 50 90 60 70 80 Aman 100 80 80 40 80 70 Sajal 90 60 70 70 90 80 Rohit 80 65 80 80 60 60 Tanvi 70 75 65 85 40 70 Tarun 65 35 50 77 80 80 Muskan 80 65 85 95 50 90 If someone secured all the highest scores (in percentage) that have been obtained by some student or the other in the six subjects as given in the table above, what would be the exact overall percentage score obtained by that student?