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

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?


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

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


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.




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About the Author

Mr. Ashutosh Nautiyal is a student who is pursuing his post-graduation (MBA in Infrastructure Development and Management) from SCMHRD, Pune. He has done his B.Tech in Civil Engineering from BTKIT, Dwarahat and his schooling from Omkarananda Saraswat…

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