my son appeared for class 10th boards this year-2017. His CGPA in SA1 was 9.2 and now after the final results declared by cbse it is still 9,2 70percent of the result was with school out of which in 50percent of the result he had 9.2 and rest 20percent too that is FA3 and FA4 he had done well so if only 30 percent of board marks were added and after upgradation in two subjects how has he still landed at 9.2only.......please answer