Total percentage =( Total marks obtained ∕ Total maximum marks )×100 Calculation: Total marks in Mathematics =3×60=180 Total marks in English =2×70=140 Total marks in Science =1×50=50 Total marks obtained =180+140+50=370 Total maximum marks =(3+2+1)×100=600 ⇒ Total percentage =(370∕600)×100 ⇒ Total percentage =61.67%