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    Question

    Three mixtures: A, B, and C containing 10%, 30%, and X%

    of water, respectively. If all these mixtures are mixed in the ratio of 1:2:1 to form a resultant mixture, and the resultant mixture contains 22% of water in it, then find the value of X.
    A 21 Correct Answer Incorrect Answer
    B 26 Correct Answer Incorrect Answer
    C 25 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the quantity of mixture A, B, and C mixed be 100 litres, 200 litres, and 100 litres, respectively. Quantity of water in mixture A, B, and C is 10 litres, 60 litres, and X litres, respectively. According to the question, (10 + 60 + X)/400 = 22/100 70 + X = 88 X = 18

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