1.

In an alloy, aluminium and tin are in the ratio of 4 ∶ 5. In the second alloy, the ratio of same elements is 4 ∶ 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

A. 2 ∶ 3
B. 16 ∶ 35
C. 4 ∶ 5
D. 40 ∶ 59
Answer» E.


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