8th Class Mathematics Mensuration Question Bank Mensuration

  • question_answer
    The dimensions of a hall are 40 m, 25 m and 20 m. If each person requires 200 cubic metre, then the number of persons who can be accommodated in the hall are

    A) 120                

    B) 150

    C) 140                

    D) 100

    Correct Answer: D

    Solution :

    The volume of the hall is \[=\frac{1}{2}({{b}_{1}}+{{b}_{2}})h\] cu m. Since, each person needs 200 cu m, number of persons \[=\pi {{r}^{2}}\]


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