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    Question

    A mixture contains ‘x’% milk. 20% of this mixture is

    taken out and is replaced with same quantity of water. This procedure is repeated two more times. If the resultant mixture contains 15.36% milk, then find the value of ‘x’.
    A 30 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 50 Correct Answer Incorrect Answer
    D 70 Correct Answer Incorrect Answer
    E 40 Correct Answer Incorrect Answer

    Solution

    According to question, => 15.36 = x × (8/10) × (8/10) × (8/10) => x = 30

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