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

  • question_answer
    A bookseller sells a book at a profit of 10%. If he had bought it at 4% less and sold it for Rs. 6 more, he would have gained \[18\frac{3}{4}%\]The cost price of the book is

    A)  Rs. 160

    B)         Rs. 170

    C)  Rs. 150

    D)  Rs. 155

    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\[=\frac{1}{3}\times 18=6\,\,days\].


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