Multiple Choice Questions on The respective ratio of zinc and copper in the first and second alloy are 1 2 and 2 3 respectively I........... for IBPS(Clerical) Exam Preparation

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Multiple Choice Questions

The respective ratio of zinc and copper in the first and second alloy are 1 2 and 2 3 respectively I...........

Quantitative Aptitude(IBPS CL) Mixture and Alligation
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    The respective ratio of zinc and copper in the first and second alloy are 1: 2 and 2: 3 respectively. In what ratio should these two alloys be mixed to form a new alloy in which the two elements are in ratio 5: 8?

    7: 11 

    Incorrect Answer

    3: 10

    Correct Answer

    5: 11 

    Incorrect Answer

    9: 11

    Incorrect Answer

    None of these

    Incorrect Answer
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    Explanation:

    Let the amount of mixture taken from 1st allow = x
    And, the amount of mixture from the second allow = y

    40x + 48y = 50x + 45y

    10x = 3y;
    So, option (b) is the correct answer.

    By: Munesh Kumari
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