A, B, C started a business with their investments in the ratio 1 : 3 : 5. After 4 months A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profits at the end of the year is
1
4 : 3 : 5
2
5 : 6 : 10
3
6 : 5 : 10
4
10 : 5 : 6