Question

One alloy of steel contains 74% Iron and 26% carbon.

Q: One alloy of steel contains 74% Iron and 26% carbon. Another alloy contains 81% Iron and 12% carbon.

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Another alloy contains 81% Iron and 12% carbon. Later, they are mixed, so that the mixture contains 20% of carbon. What percent of Iron will it contain?

A 87%

B 65%

C 77%

D 53%

E None of these