"In an examination the percentage of students qualified to the number of students appeared
Channel: Doubtnut
Date: 2020-04-05

"In an examination the percentage of students qualified to the number of
 students appeared from school A is 70%. In school B, the number of students
 appeared is 20% more than the student appeared from school A and the number
 of students qualified from school B is 50% more than the students qualified
 from school A. What is the percentage of students qualified to the number of
 students appeared from school B?
`30 %`
b. `70 %`
c. `78. 5 %`
d. 87.5%"