Multiple Choice Questions on One container contains a mixture of spirit and water in the ratio 2 3 and another contains the mixtu........... for IBPS (PO/SO) Preparation

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Multiple Choice Questions

One container contains a mixture of spirit and water in the ratio 2 3 and another contains the mixtu...........

Quantitative Aptitude(IBPS PO) Mixture and Alligation
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    One container contains a mixture of spirit and water in the ratio 2: 3 and another contains the mixture of spirit and water in the ratio 3: 2. How much quantity from the second should be mixed with 10 litres of the first so that the resultant mixture has ratio of 4: 5?

    2.86 litres 

    Correct Answer

    3.45 litres

    Incorrect Answer

    4.31 litres 

    Incorrect Answer

    5.67 litres

    Incorrect Answer

    8.94 litres

    Incorrect Answer
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    Explanation:
    Ratio of mixture of spirit and water in Container 1 = 2: 3
    Amount of mixture taken = 10 litres
    Amount of spirit = 2/5×10=4 litres
    Amount of water = 3/5×10=6 litres
    Ratio of mixture of spirit and water in Container 2 = 3: 2
    Amount of mixture taken = x litres
    Amount of spirit = 3/5×x=3x/5 litres
    Amount of water = 2/5×x=2x/5 litres
    Ratio of mixture of spirit and water in resultant mixture = 4: 5
    Therefore, (4+3x/5)/(6+2x/5)=4/5
    (20/5+3x/5)/(30/5+2x/5)=4/5
    (20+3x)/(30+2x)=4/5
    100+15x=120+8x
    7x=20;x=2.86 litres
    So option (1) is the correct answer.

    By: Munesh Kumari
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