Multiple Choice Questions on The ratio of water and alcohol in two different containers is 2 3 and 4 5 In what ratio we are requi........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The ratio of water and alcohol in two different containers is 2 3 and 4 5 In what ratio we are requi...........

Quantitative Aptitude ( CCS) Mixture and Alligation
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    The ratio of water and alcohol in two different containers is 2:3 and 4:5. In what ratio we are required to mix the mixtures  of two containers in order to get the new mixture in which the ratio of alcohol and water be 7:5?

    5:3

    Correct Answer

    3:5

    Incorrect Answer

    2:1

    Incorrect Answer

    2:3

    Incorrect Answer
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    Explanation:

     W1:A1                        W2:A2                       WN:AN

      2 : 3                           4 : 5                           5 : 7 

    W1 /W1+A1=25      W2 /W2+A2=49       WN /WN+AN=512

      72/180                         80/180                     75/180  

    72/180                      80/180

                    75/180

    5/180                         3/180

      5                                 3

    Therefore, the ratio is  5: 3

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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