To find the best performance, we calculate the average marks in each subject.
English:
84+86+75+88+77+72=482⇒6482≈80.33
Hindi:
80+85+79+83+74+88=489⇒6489≈81.5
Mathematics:
100+92+100+99+95+100=586⇒6586≈97.67
Science:
100+90+99+93+75+72=529⇒6529≈88.17
Highest average:
Mathematics ≈ 97.67