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SSC Sample Paper SSC (Group-C) Sample Test Paper-1

  • question_answer
    A can do a job in 10 days and B can do the same Job in 15 days. They start working together, but B leaves after 5 days. How many more days A want to finish the work?

    A)  2 days       

    B)  \[1\frac{2}{3}\]days  

    C)  3 days      

    D)  \[2\frac{2}{3}\]days

    Correct Answer: B

    Solution :

     Work done by A and B in 5 days \[=5\left( \frac{1}{10}+\frac{1}{15} \right)=5\left( \frac{3+2}{30} \right)=5\times \frac{5}{30}=\frac{5}{6}\] Remaining work\[=1-\frac{5}{6}=\frac{1}{6}\] \[\therefore \] Time taken by \[A=\frac{1}{6}\times 10=\frac{5}{3}\]days\[=1\frac{2}{3}\]


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