In a group of 160 people, 100 people like tennis and 20 people like both cricket and tennis. If each one likes at least one of these two games, then find the ratio between the number of people who like only cricket and the number of people who like only tennis.
1
4 : 3
2
3 : 4
3
5 : 4
4
4 : 5
5
None of these