Two alloys are made by gold and copper in the ratio of 7 ∶ 2 and 7� – McqOptions

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1.	Two alloys are made by gold and copper in the ratio of 7 ∶ 2 and 7 ∶ 11 respectively. Same quantity of both alloys are mixed and third alloy is made. In this third alloy, the ratio between gold and copper is equal to
A.	7 ∶ 5
B.	7 ∶ 12
C.	14 ∶ 13
D.	2 ∶ 11
Answer» B. 7 ∶ 12

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