2. Sample Papers
  3. 8th Class
  4. Computers Science

8th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-2

  • question_answer
    'A' can do a work in 15 days and 'B' in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is:

    A)  1/4                              

    B)  1/10

    C)  7/15                            

    D)  8/15

    E)  None of these

    Correct Answer: D

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