How I studied Physics जिसकी वजह से मुझे AIR-41 IIT Bombay मिला #shorts

A class has 175 students, The following description gives the number of students studying one or more of the subjects in this class, Mathematics 100 , physics 70 , chemistry 46 , Mathematics and physics 30 , mathematics and chemistry 28 , physics and chemistry 23 , mathematics, physics and chemistry alone 18 , (i) how many students are enrolled in mathematics alone, physics alone and children alone, (ii) the number of students who have not offered any of these subjects.