Comprehension Passage
Direction: Read the data carefully and answer the questions given below.
A college has 1000 students. Ratio of male lecturers and female lectures is 2 : 3. Total number of lecturers in the college is (1/10)th of the total number of students. Number of lecturers present in college on Monday is 20 more than the number of male lecturers. Number of students present in a college on Monday is 10 times the number of female lecturers.If 20% of the lecturers working in a college are going to retire next month, then what is the number of lecturers left?
1
80
2
70
3
50
4
20
5
30