Most Important Questions for Half yearly Exam

Important Questions For Boards Exam

Most Important Questions Of Inorganic Chemistry For Class 12 Boards Exam

In the half yearly exam only 70% if the students were passed. Out of these (passed in half yearly) only 60% student are passed in annual exam. Out of those who did not pass the half yearly exam, 80% passed in annual exam. What per cent of the students passed the annual exam ?