Multiple Choice Questions on In an alloy the ratio of copper and aluminum is 4 5 and in other alloy the ratio of copper and alumi........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In an alloy the ratio of copper and aluminum is 4 5 and in other alloy the ratio of copper and alumi...........

Quantitative Aptitude ( CCS) Mixture and Alligation
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    In an alloy the ratio of copper and aluminum is 4:5 and in other alloy the ratio of copper and aluminum is 6:7. In what ratio these alloy should be taken to make ratio of copper and aluminum is 5:6?

    5 : 11

    Incorrect Answer

    11 : 5

    Incorrect Answer

    13 : 9

    Incorrect Answer

    9 : 13

    Correct Answer
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    Explanation:

    Solution:
    C………………..A
    4/9……………6/13
    .         5/11
    1/143………….1/99
    9 : 13

    By: Pranav Gupta
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