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Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-7

  • question_answer
    By selling a book for Rs. 270,20% profit was earned. What is the cost price of the book?

    A)  Rs.216                         

    B)  Rs.226

    C)  Rs.254             

    D)       Rs.225

    Correct Answer: D

    Solution :

     Cost price of the book \[=\left( \frac{100}{100+20} \right)\,\,\,270\] \[=\frac{100\,\,\,\,270}{120}=\] Rs. 225


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