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SSC Sample Paper Mock Test-3 SSC CGL Tear-II Paper-1

  • question_answer
             A can cultivate \[\frac{2}{5}\]th of a land in 6 days and B can cultivate\[\frac{1}{3}\]rd of the same land in 10 days. Working together A and B cultivate \[\frac{4}{5}\]th of the land in  

    A)  4 days             

    B)  5 days           

    C)  8 days

    D)  10 days     

    Correct Answer: C

    Solution :

    The pan of field cultivated by A in 1 day \[=\frac{2}{5\times 6}=\frac{1}{15}\] The part of field cultivated by B in 1 day \[=\frac{1}{3\times 10}=\frac{1}{30}\] \[\therefore \]The part of field cultivated by A and B together \[=\frac{1}{15}+\frac{1}{30}=\frac{3}{30}=\frac{1}{10}\] \[\therefore \]\[\frac{4}{5}\]part of field cultivated by A and B together in \[=\frac{\frac{4}{5}}{\frac{1}{10}}\]days\[=\frac{4\times 10}{5}=8\]days                        


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