Equal weights of two alloys containing tin, copper and lead in the rat – McqOptions

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1.	Equal weights of two alloys containing tin, copper and lead in the ratio 3:2:7 and 4:11:3 are melted and mixed together. What is the ratio of tin, copper and lead in the resultant alloy?
A.	41:81:37
B.	33:91:81
C.	17:28:27
D.	51:86:89
Answer» D. 51:86:89

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