Two alloys are made by gold and copper in the ratio of 7 : 2 and 7 : 11 respectively. Same quantity of…
Taking 18 units of each alloy: the first alloy (7:2) has 14 units gold and 4 units copper; the second alloy (7:11) has 7 units gold and 11 units copper. Mixing equal…
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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, ratio between gold and copper is equal to
Answer and explanation
Correct answer A
Taking 18 units of each alloy: the first alloy (7:2) has 14 units gold and 4 units copper; the second alloy (7:11) has 7 units gold and 11 units copper. Mixing equal quantities gives Gold : Copper = .
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RPSC Rajasthan State and Subordinate Services (RAS/RTS)