In an examination 80% students passed in mathematics and 72% passed in Science and 13% failed in both subjects ,if - Maths - Sets

Question

In an examination 80% students passed in mathematics and 72% passed
in Science and 13% failed in both subjects ,if 312 students passed
in both subjects ,find the total no of students appeared in the
examination

Priyanka Kedia · Accepted Answer

Refer the following similar link:
https://www meritnation
com/ask-answer/question/in-an-examination-80-students-passed-in-mathematics-72-pas/sets/2322307

In an examination 80% students passed in mathematics and 72% passed in Science and 13% failed in both subjects ,if 312 students passed in both subjects ,find the total no. of students appeared in the examination .