Two alloys contain tin and iron in the ratio of 1 : 2 and 2 : 3. If the two allo

Question

Two alloys contain tin and iron in the ratio of 1 : 2 and 2 : 3. If the two alloys are mixed in the proportion of 3 : 4 respectively (by weight), the ratio of tin and iron in the newly formed alloy is = ?

Options:

A . 14 : 25

B . 10 : 21

C . 12 : 23

D . 13 : 22

Answer: Option D

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