In an examination 50 of the students passed in Science and 75 passed in Social while 20 students fai...........

Quantitative Aptitude ( CCS) Percentage

In an examination, 50% of the students passed in Science and 75% passed in Social, while 20% students failed in both the subjects. If 270 students passed in both subjects, find the total number of students who appeared in the exam?

500

900

600

1000

छोटे Courses बड़े Results

Master Percentage

Prepare through Micro-courses

Try Now

Explanation:

passed in science = 50%
passed in social = 75%
20% students failed in both the subjects and 80% passed in at least one subject
No of students passed in both subjects = 50+75−x=80
x=45%
45% of x = 270
x = 270*100/45 = 600
Total number of students =600