In an alloy, zinc and copper are in the ratio 1 : 2. In the second all – McqOptions

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1.	In an alloy, zinc and copper are in the ratio 1 : 2. In the second alloy, the same elements are in the ratio 2 : 3. If these two alloys be mixed to form a new alloy in which two elements are in the ratio 5 : 8, the ratio of these two alloys in the new alloy is
A.	3 : 10
B.	3 : 7
C.	10 : 3
D.	7 : 3
Answer» B. 3 : 7

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