Multiple Choice Questions on Mil contain 10 of water What quantity of pure milk is should be added to 15litre of milk to red........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Mil contain 10 of water What quantity of pure milk is should be added to 15litre of milk to red...........

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    Mil contain 10% of  water.What quantity of pure milk is should be added to 15litre of milk to reduce the water percentage is 7%

    6 lit

    Incorrect Answer

    6.4 lit

    Correct Answer

    6.2 lit

    Incorrect Answer

    6.6 lit

    Incorrect Answer
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    Explanation:

    10% of water in 15 lit of milk =(10/100) × 15 = 1.5
    X lit of pure milk added to reduce water to 7% 
    = (1.5) /(x + 15) = 7/100
    150  =  105+7x
    7x   = 45
    X  = 45/7 = 6.4lit

    By: Amit Kumar
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