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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-21

  • question_answer
    The ratio of weekly incomes of A and B is 9: 7 and the ratio of their expenditures is 4 : 3. If each saves Rs. 200 per week, then the sum of their weekly incomes is

    A) Rs. 3200           

    B) Rs. 4200

    C) Rs. 4800                       

    D) Rs. 5600

    Correct Answer: A

    Solution :

    Let the weekly incomes of A and B be 7x and their expenditures be 4y and 3y.
    According to the question,
                \[9x-4y=200\]
                \[7x-3y=200\]
    Solving, \[x=200,\]\[y=400\]
    \[\therefore \] Sum of their weekly incomes
                \[=9x+7x=16x=\text{Rs}.\,\,3200\]


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