P and Q are two alloys which are prepared by mixing tin and lead in th – McqOptions

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1.	P and Q are two alloys which are prepared by mixing tin and lead in the ratio of 12 : 5 and 4 : 3 respectively. If equal quantities of alloys are melted to form athird alloy R, then what is the ratio of tin and lead in alloy R?
A.	84 : 65
B.	2.3993055555556
C.	3.1965277777778
D.	3.2826388888889
Answer» D. 3.2826388888889

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