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    Question

    The salaries of A, B and C are in the ratio 5 : 7 : 9.

    If B’s salary is Rs. 7,000, what is the difference between A’s and C’s salaries?
    A 4000 Correct Answer Incorrect Answer
    B 3200 Correct Answer Incorrect Answer
    C 4400 Correct Answer Incorrect Answer
    D 6520 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let salaries be 5x, 7x, 9x. Given 7x = 7,000 ⇒ x = 1,000 A’s salary = 5x = 5,000 C’s salary = 9x = 9,000 Difference = 9,000 − 5,000 = 4,000

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