1.

In two alloys the ratio of Iron and copper is 4:3 and 6:1 respectively. If 14 kg of the first alloy and 42 kg of the second alloy are mixed together to form a new alloy, then what will be the ratio of copper to iron in the new alloy:

Answer»

`11:3`
`11:8`
`8:11`
NONE of these

Answer :D


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