Q. If 6:4:3 is the ratio of volumes of three boxes which are filled by mixtures of two variety rice. The mixture consists type 1 and type 2 rice in the ratio 5:3, 4:3 and 3:1 respectively. The contents of all three boxes are transferred into a new box. The ratio of type 1 and type 2 rice in the new box is? 

1. 52:19
2. 43:21
3. 51:30
4. 58:33