In the exam, 36% of students fail in Science and 26% fail in English. If 10% of students fail in both the exam then how much percent students pass the exam?
Answers
Answer:
In an exam 30% students fail in English 25 % fail in maths and 5% students fail in both subject
Let there be 100 students appeared in examination
30% failed in English = 30/100 × 100 = 30 students
This include the students who failed in both Mathematics and English. So student failed only in English
30 - 5 = 25 students
25% failed in Mathematics = 25/100 × 100 = 25 students
This include the students who failed in both Mathematics and English. So student failed in mathematics are
25 - 5 = 20 students
5% failed in both Mathematics and English = 5/100 × 100 = 5 students
Total number of students who failed
= 25 + 20 + 5 = 50 students
The students who have passed = 100 - 50 = 50
When passed students are 50 then total students are 100
When passed students are 220 the total students
= 100/50 × 220
= 220 × 2
= 440
Total students are 440.
Total students who failed in english are 25
Out of 100 students failed students only in English are 25 students
Out of 550 students failed students in english are
= 25/100 × 440
= 440/4
= 110 students
Answer the students that failed in English are 110 students