Two alloys containing copper and zinc are in the ratios 5:8 and 5:3.If they are

Question

Two alloys containing copper and zinc are in the ratios 5:8 and 5:3.If they are melted in equal quantities, The ratio of Zinc to copper in the resultant alloy is?

Options:

A . 105:103

B . 114:120

C . 123:154

D . 103:105

Answer: Option D
:
D

\frac{C o p p e r}{Z i n c} = \frac{\frac{5}{13} + \frac{5}{8}}{\frac{3}{13} + \frac{3}{8}} = 105 : 103

Solving using alligation
With respect to zinc

Two Alloys Containing Copper And Zinc Are In The Ratios 5:8 ...

Now use answer options to get the value of x =103:105

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