17. Five mark exercise problems V

In an examination \(50\%\) of the students passed in Mathematics and \(70\%\) of students passed in Science while \(10\%\) students failed in both subjects. \(300\) students passed in both the subjects. Find the total number of students who appeared in the examination, if they took examination in only two subjects.

 

Answer:

 

The total number of students \(=\)