0 votes
9.4k views
in Class XI Maths by (-1,017 points)
In a survey of 200 students of a school, it was found that 120 study Mathematics, 90 study Physics and 70 study Chemistry, 40 study Mathematics and Physics, 30 study Physics and Chemistry, 50 study Chemistry and Mathematics and 20 none of these subjects. Find the number of students who study all the three subjects.

Please log in or register to answer this question.

1 Answer

0 votes
by Premium (539 points)

Let M be the set of students who study Mathematics, P be the set of students who study E Physics and C be the set of students who study Chemistry.

Related questions

Categories

/* */