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SSC Sample Paper SSC CGL - Sample Paper-20

  • question_answer
    The ratio between the present ages of A and B is 4 : 5. If I ratio between their ages four years hence becomes 14 :1 What is B's age at present?

    A) 30 yr    

    B) 28 yr

    C) 34 yr    

    D) Data inadequate

    Correct Answer: A

    Solution :

    Let the present age of A and B are 4x yr and 5x yr. \[\therefore \]      \[\frac{4x+4}{5x+4}=\frac{14}{17}\] \[\Rightarrow \]   \[68x+68=70x+56\] \[\Rightarrow \]   \[x=\frac{12}{2}=6\] \[\therefore \]      B's present age \[=30\,yr\]           


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