defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Ratio and Proportion Simple Ratios
X and Y are two alloys which are prepared by mixing zinc and aluminium in the ratio of 1 : 4 and 11 : 8 respectively. If equal quantities of alloys are melted to form a third alloy Z then what is the ratio of zinc and aluminium in alloy Z?
1
32 : 47
2
37 : 58
3
37 : 95
4
74 : 95