1.

Two alloys are both made up of copper and tin.The ratio of copper and tin In the first alloy is 1 : 3 and the second alloy is 2 : 5. In what ratio should the two alloys be mixed to obtain a new alloy in which the ratio of tin and copper be 8:3 1). 3:52). 4:73). 3:84). 5:11

Answer»

4:7 SEEMS CORRECT.



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