Solved UPSC CDS/OTA Question
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Q · Ratio and ProportionMedium · 45s
P and Q are two alloys of aluminium and brass prepared by mixing metals in proportions 7 : 2 and 7 : 11, respectively. If equal quantities of the two alloys are melted to form a third alloy R, the proportion of aluminium and brass in R will be :
TopicRatio and Proportion
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Final Answer: Option B — 5 : 7