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    Question

    If 64% of (P - Q) is equal to 20% of 80% of (P + Q),

    then find the value of Q:P.
    A 3:5 Correct Answer Incorrect Answer
    B 5:4 Correct Answer Incorrect Answer
    C 2:3 Correct Answer Incorrect Answer
    D 1:2 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Given

    64% of (P - Q) = 20% of 80% of (P + Q)

    Or, 4 × (P - Q) = P + Q

    Or, 4P – 4Q = P + Q

    Or, 3P = 5Q

    Or, Q/P = 3/5

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