Q. 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 withdraw half of their investments. The ratio of their profits at the end of the year is ?

1. 4 : 3 : 5 6 :
2. 5 : 10 5 :
3. 6 : 10
4. 10 : 5 : 6