2. Sample Papers
  3. 9th Class
  4. Computers Science

9th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-3

  • question_answer
    'A' alone can do a piece of work in 6 days and 'B' alone in 8 days. 'A' and 'B' undertook to do it for' 3200. With the help of 'C', they completed the work in 3 days. How much is to be paid to 'C'?

    A)  Rs. 375            

    B)  Rs. 400

    C)  Rs. 600            

    D)  Rs. 800

    E)  None of these

    Correct Answer: B

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