Finally the thing i wanted but..............

I'm so happy and sad at the same time............finally i got the interview that i wanted but i can't make it because it clashes with my exam......coz it is on 29th of april while my exam is on 28 and 30th of april......sounds weird rite y can't i make it? coz the interview will be held in genting......i'm so dead meat, don't know whether to say that i'm lucky or unlucky??? If i need to choose i'll go for my exam n end of story to my interview...the kind of interview they are offering i don't think they can reschedule it..........coz it includes written assesment n group assessment...........GOD pls help me here............... :(