In an examination, 80% students passed in Physics, 70% students passed in Chemistry while 15% failed in both the subjects. If 3250 students passed in both the subjects. Find the total number of students who appeared in the examination.

In an examination, 80% students passed in Physics, 70% students passed in Chemistry while 15% failed in both the subjects. If 3250 students passed in both the subjects. Find the total number of students who appeared in the examination.

• A. 7,500
• B. 8,000
• C. 3,000
• D. 5,000

 

The correct answer is option D. 5,000. Can you explain this answer in the comments?

View Complete Solution Here

Books I recommend for Quantitative Aptitude:

1. How to Prepare for Quantitative Aptitude for CAT by Arun Sharma

2. Ace Quantitative Aptitude For Banking and Insurance

3. Quantitative Aptitude Quantum CAT by Sarvesh K Verma

4. Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal

5. Best 4000 Smart Practice Questions for Banking by S. Chand Experts