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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-1

  • question_answer
    Inlet A is four times faster than inlet B to fill a tank. If A alone can fill it in 15 min, how long will it take if both the pipes are opened together?

    A)  10 min            

    B)  12 min

    C)  14 min                        

    D)  15 min

    E)  None of these

    Correct Answer: B

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