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SSC Sample Paper SSC CGL - Sample Paper-27

  • question_answer
    What is the least number of square tiles required to pave the floor of a room 9 m 99 cm long and 4 m 7 cm broad?

    A) 247                              

    B) 277

    C) 297                  

    D) 307

    Correct Answer: C

    Solution :

    For the least number of tiles to pave the floor, the size of tiles should be maximum. \[\therefore \] Side of tiles = HCF of 999 and 407                         \[=37\,cm\] \[\therefore \] Required number of tiles\[=\frac{997\times 407}{37\times 37}=297\]   


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