Question: a and b are two alloys of gold and copper?
Answer: A and B are two alloys of gold and copper prepared by mixing metals in the proportions 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, proportion of gold and copper in C will be. 1). 24 litre of a mixture contains milk and water in the ration 7 : 5.