i am creating a student mark list.bt rank calculation is wrong .plz correct it

name mark1 mark2 total result rank
ram 55 65 120 pass 2
ravi 99 34 133 fail norank
raj 34 75 109 pass 3

my rank calculation formlas is =IF(H11="pass",RANK(G11,G$11:G$13,0),"norank")

plz solve my bplm