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10th Class Mathematics Surface Areas and Volumes Question Bank Surface Areas and Volumes

  • question_answer
    Study the question and the statements given below and decide which of the statements) is/are necessary to answer the question. What is the capacity of the cylindrical tank?
    I. The area of the base is 61,600 sq. cm.
    II. The height of the tank is 1.5 times the radius.
    III. The circumference of base is 880 cm.

    A)  Only I and II   

    B)  Only II and III

    C)         Only I and Ill

    D)         Only II and either I or III         

    Correct Answer: D

    Solution :

    Volume of cylindrical tank \[=\pi {{r}^{2}}h\] So, we need radius and height. Radius can be found from either statement I or III and height from statement II.


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