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An alloy contains zinc, copper and tin i...

An alloy contains zinc, copper and tin in the ratio 2:3:1 and another contains copper, tin and lead in the ratio 5:4:3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in the new alloy will be

A

`frac(1)(2)kg`

B

`frac(1)(8)kg`

C

`frac(3)(14)`

D

`frac(7)(9)kg`

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