state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Mathematics Sets Set Theory and types of Sets
In a college having 600 sciençe students, 450 students are doing Physics, 500 students are doing Mathematics and 400 students are doing Chemistry. Of theses students 380 students are doing both Physics and Mathematics and 350 students are doing Physics and Chemistry, 200 students are studying all three subjects. Then the number of students doing both Mathematics and Chemistry is
1
280
2
260
3
240
4
220