P, Q and R have money in the ratio of 4 : 1 : 2. P gives 1/4 of his sum to Q and P gives 1/6 of his initial sum to R. R gives 1/2 of his new sum to Q. What is the final ratio of money with P, Q and R?
1
7 : 10 : 4
2
18 : 11 : 20
3
8 : 10 : 11
4
16 : 10 : 9