Punja Police SI 19 Aug 2021 Shif 1 Paper 1

The ratio of capacities of three vessels is 10 : 12 : 15. These vessels are filled with a mixture of milk and pie in such a way that the mixtures of pie and milk in these three vessels are in the ratio 1 : 4, 3 : 5 and 5 : 7 respectively. If the material of these three vessels are poured into the 4th vessel, find the ratio of milk and pie in the 4th vessel.