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SSC Sample Paper SSC CGL - Sample Paper-6

  • question_answer
    A does 20% less work than B. If A can complete a piece of work in \[7\frac{1}{2}\,h,\] then B can do it in

    A)  \[6\frac{1}{2}\,h\]                    

    B)  6 h

    C)  \[5\frac{1}{2}\,h\]                    

    D)  5 h

    Correct Answer: B

    Solution :

    A does 20% less work than B. \[\therefore \] Ratio of time taken \[=5:4\] A completes a work in \[\frac{15}{2}\,h\] \[\therefore \] Time taken by B to do the same work             \[=\frac{15}{2}\times \frac{4}{5}=6\,h\]


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