A and B are two different alloys of gold and silver having the two metals in the ratio 7.2 and 7
1 respectively. If equal quantities of both the alloys are mixed to prepare a thurd alloy C. then the
proportion of gold and silver in C is
A. 112: 15
B. 117: 25
C. 115: 12
D. 119:25
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Answer:
b 117 :25
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