Question

In a class 35 student passed in English 25 student passed in Hindi and 10 student passed in both. if there are 75 student in that class ,what percentage of the students failed in both subjects

Answer 1

total students passes is 35+25-10=50
so failed students are 75-50=25

Answer 2

in a class students passed in English in35
students passed in Hindi 25
student passed in both 10
students in that class percentage of the students failed in both subject

English = 35 , Hindi = 25, passed in both = 10 , failed in both = 75

75-10=65 in failed
35+25=60
65-60=5 passed in both subjects