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Railways Quantitative Aptitude Simplification Sample Paper Simplification Sample Test Paper-3

  • question_answer
    Monthly incomes of two persons are in the ratio 4 : 5 and their monthly expenses are in the ratio 7 : 9. If each saves Rs. 50 per month, their monthly incomes (in rupees) are :

    A)  (500, 400)        

    B)  (300, 600)

    C)  (400, 500)        

    D)  none of these

    Correct Answer: C

    Solution :

    [c] Let incomes = 4x and 5x \[\therefore \,\,\,\frac{4x-50}{5x-50}=\frac{7}{9}\] \[36x-450=35x-350\] x = 100 \[\therefore \] Income = 400, 500


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