9th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-1

  • question_answer
    15 years ago the difference between the ages of two persons was 10 years. The elder one was twice as old as the younger one. The present age of the elder person is;

    A)  25 years                      

    B)  35 years

    C)  45 years                      

    D)  55 years

    E)  None of these

    Correct Answer: B


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