8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    An iron pipe 20 cm long has exterior diameter equal to 25 cm. If the thickness of the pipe is 1 cm, then find the whole surface area of the pipe.

    A)         

    B)       

    C)        

    D)  

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available              


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