Railways Sample Paper RRB (Group D) Sample Test Paper-15

  • question_answer
    A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days. A alone can finish the remaining work?

    A)  8                    

    B)  6

    C)  \[5\frac{1}{2}\]            

    D)  5

    Correct Answer: B

    Solution :

    [b] Work done by B in 10 days\[=\frac{10}{15}=\frac{2}{3}\] Remaining work = \[1-\,\frac{2}{3}=\frac{1}{3}\] \[\therefore \] Time taken by A=\[\frac{1}{3}\times 18=6\,\,days.\]


You need to login to perform this action.
You will be redirected in 3 sec spinner