2. Sample Papers
  3. 10th Class
  4. Computers Science

10th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-1

  • question_answer
    A father is now three times as old as his son. Five years back, he was four times as old as his son. The age of the son is:

    A)  12                               

    B)  15

    C)  18                               

    D)  20

    E)  None of these

    Correct Answer: B

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