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Manipal Medical Manipal Medical Solved Paper-2003

  • question_answer
    In 10 years, A will be twice as old as B was 10 years ago. If at present A is of 9 years older than B, the present age of B is:

    A)  19 year

    B)  29 year

    C)  39 year

    D)  49 year

    Correct Answer: C

    Solution :

     Let the present age of B be\[x\]year The present age of A would be \[(x+9)\] years. After 10 years the age of A would be \[(x+9+10)=(x+19)\]and Before ten years the age of B was\[(x-10)\]years. Now from given information in the question, \[x+19=2\text{ }(x-10)\] \[x+19=2x-20\] \[x=19+20=39\text{ }year\]


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