

MCQOPTIONS
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1. |
Two types of alloy possess gold and silver in the ratio of 7 : 22 and 21 :37. In what ratio should these alloys be mixed so as to have a new alloy in which gold and silver would exist in the ratio 25 : 62 ? |
A. | 13 : 8 |
B. | 8 :13 |
C. | 13 :12 |
D. | 6 : 9 |
Answer» B. 8 :13 | |