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    Question

    If 20% of (A + B) = 30% of (A – B), then what

    percentage of B is equal to A?
    A 200% Correct Answer Incorrect Answer
    B 300% Correct Answer Incorrect Answer
    C 500% Correct Answer Incorrect Answer
    D 400% Correct Answer Incorrect Answer

    Solution

    (A+B) ×20/100 = (A-B) ×30/100 2A+2B =3A-3B 5B=A B/A =1/5 ATQ- B × x% =A 1× x/100 = 5 x = 500%

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