1st u happy for fail... becoz if u pass u ll face a problems in final so u have a chance/ time for learing some more time 4 subject problem is not how many u solved ok if u have a practice manual 1st u solve excersice problems then u ll come to knw where u r &am not disappointing u..... it is not a question how many books u sloved or how many questons u learn .. just how many concepts u know 1st re check about ur knowledge then solve problems all the best