Multiple Choice Questions on How many square metres of canvas are used ........ for CDS Exam Preparation

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Multiple Choice Questions

How many square metres of canvas are used ........

Quantitative Aptitude (CDS) Mensuration 3D
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    For the next three (03) items that follow : A tent of a circus is made of canvas and is in the form of right circular cylinder and right circular cone above it. The height and diameter of the cylindrical part of the tent are 5 m and 126 m respectively. The total height of the tent is 21 m.

    How many square metres of canvas are used?

     

    14450

    Incorrect Answer

    14480

    Incorrect Answer

    14580

    Incorrect Answer

    14850

    Correct Answer
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    Explanation:

    Canvas used  = curved surface area  of cylinder + curved surface area of cone =1980 +\pirl
    = 1980 + 22/7x63x65 = 14850 m2
     

    By: Munesh Kumari
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