Seats for Mathematics, Physics and Chemistry in a school are in the ratio of 7 : 8 : 9. There is a proposal to increase the seats by 30%, 40% and 50% respectively. What will be the ratio of increased seats?
1
112 : 91 : 135
2
91 : 112 : 135
3
135 : 112 : 91
4
35 : 37 : 91