Question

    If 30% of (A + B) = 40% of (A – B), then find A ∶

    B.
    A 7 : 1 Correct Answer Incorrect Answer
    B 2 : 7 Correct Answer Incorrect Answer
    C 2 : 5 Correct Answer Incorrect Answer
    D 1 : 4 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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