Comprehension Passage
Directions: Study the following information carefully and answer the questions given below.
In a city library, there are 100 adults, 150 teenagers, and 200 senior citizens. The library offers two activities: reading books and attending workshops.
50 adults enjoy reading books, and 70 adults participate in workshops. 40 senior citizens enjoy only reading books, and 60 senior citizens participate in only workshops. 50 teenagers enjoy both reading books and workshops. 70 teenagers enjoy only reading books.
Find the probability if 2 persons who enjoy only reading books are to be selected from a group of teenagers and senior citizens.
1
1099 / 14400
2
1199 / 14215
3
1099 / 12200
4
1199 / 12215
5
None of these