Multiple Choice Questions on In an alloy the ratio of zinc and copper is 1 2 in another alloy these are mixed in the ratio 2 3 In........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In an alloy the ratio of zinc and copper is 1 2 in another alloy these are mixed in the ratio 2 3 In...........

Quantitative Aptitude (CDS) Mixture and Alligation
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    In an alloy the ratio of zinc and copper is 1:2, in another alloy, these are mixed in the ratio 2:3.In which ratio these two alloys mixed to make a new alloy of zinc and copper in the ratio 5:8?

    5/3

    Incorrect Answer

    4/3

    Incorrect Answer

    10/3

    Incorrect Answer

    3/10

    Correct Answer
    Explanation:

    First alloy ratio 1/3
    Second alloy 2/5
    a/c to Mixture method
    2/5 -5/13: 5/13 -1/3
    =26-25/65: 15-13/39
    =1/65: 2/39
    =39/130
    =3/10

    By: bhavesh kumar singh
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