The ratio between two numbers is 6 : 11. If 100 and 50 are added to the first and the second number respectively, then the ratio becomes 10 : 17. What will be the ratio when 50 is subtracted from the first number and added to the second number taken initially?
1
1 : 2
2
8 : 15
3
8 : 13
4
2 : 3