UPSC CDS Math Ratio Proportion and Variation Questions

Question : 16 of 20

Marks: +1, -0

25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead to tin in the mixture ?