8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-5

  • question_answer
    A pipe can fill a cistern in 6 hours. Due to a leak in the bottom it is filled in 7 hours. When the cistern is full, in how much hours will it be emptied by the leak?

    A)  40                               

    B)  42

    C)  35                               

    D)  45 ss

    E)  None of these

    Correct Answer: B


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