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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-3

  • question_answer
    The floor of a room is of size \[4\,\,m\times 3\,\,m\] and its height is\[3\,\,m\]. The walls and celling of the room require painting. The area to be painted is

    A) \[66\,\,{{m}^{2}}\]                 

    B) \[54\,\,{{m}^{2}}\]  

    C) \[43\,\,{{m}^{2}}\]     

    D)        \[33\,\,{{m}^{2}}\]

    Correct Answer: B

    Solution :

     Area of the four walls of the room \[=2\times \]height (length\[\times \]breadth) \[=2\times 3(4+3)=42\]sq. metre Area of ceiling \[=4\times 3\] \[=12\]sq. metre \[\therefore \]Required area\[=42+12\] \[=54\]sq. metre


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