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  3. 8th Class
  4. Mathematics
  5. Mensuration

8th Class Mathematics Mensuration Question Bank Mensuration

  • 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 sum of inner and area of the pipe.

    A)    

    B)   

    C)    

    D)  

    E)  None of these

    Correct Answer: B

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