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An alloy contains zinc and copper in the ratio of 5 : 8 and another alloy contains zinc and copper in the ratio of 5 : 3 . If equal amount of both the alloys are melted together .

What is the ratio of zinc and copper in the resulting alloy ?

Ans: 105 : 103

5:8 5/13 : 8/13

After mixing

5/13+5/8 : 8/13+3/8 (40+65)/104 : (64+39)/104 105/104 : 103/104 105 : 103

It'll be 10 : 11.

An alloy contains alluminium and zinc in the ratio 5 : 3 and another alloy contains alluminium and copper in the ratio 8 : 5. If equal weights of both the alloys are mixed together, then what would be the weight of copper per kg in the resulting alloy?

A and B are two alloys of Gold and Copper prepared by mixing metals in the ratio 7:2 and 7:11 respectively. If equal quantities of alloys are melted to form a third alloy C, find the ratio of Gold and Copper in C ?

A copper wire when bent in the form of a hexagon encloses an area of 726*Sqrt(3) cm^2. If the wire is bent to form a circle, find the area enclosed by it.