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SSC Sample Paper Mock Test-12 SSC CGL Tear-II Paper-1

  • question_answer
    The area of a square field is 4 hectare. How much time will a man taken to run round the field at the speed of 6 km/h.

    A) 6 min

    B)  8 min 

    C)  10 min

    D)  12 min

    Correct Answer: B

    Solution :

      The area of the square field = 4 hectare \[=4\times 10000=40000\,\,{{\text{m}}^{2}}\] Side of field \[=\sqrt{40000}=200\,\,\text{m}\] \[\therefore \]It perimeter \[=200\times 4=800\,\,\text{m}\] \[\therefore \]Time taken to run around \[=\frac{800}{6\times 1000}=\frac{8}{60}\text{h}=8\,\,\min \]


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