प्रचंड बैच | Revision Half Yearly Exam

Question Stimulus Fill in the blank with the correct option. My friend has lent me ….. books and notes for my half yearly exams.

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 ?

What is amount when compounded half-yearly