defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Mixture Problems To Make a Mixture from Two or More Things
P and Q are two alloys which are prepared by mixing tin and lead in the ratio of 12 : 5 and 4 : 3 respectively. If equal quantities of alloys are melted to form a third alloy R, then what is the ratio of tin and lead in alloy R?
1
84 : 65
2
57 : 35
3
76 : 43
4
78 : 47