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  5. Mensuration

8th Class Mathematics Mensuration Question Bank Self Test-13

  • question_answer
    The external diameter of an iron pipe is 25 cm and its length is 20 cm. If the thickness of the pipe is 1 cm, find the total surface area of the pipe.

    A)                                             

    B)

    C)                                             

    D)

    E)

    F)  None of these

    Correct Answer:


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