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Railways Sample Paper RRB (Group D) Sample Test Paper-9

  • question_answer
    By selling a table for Rs. 330, a trader gains 10%. Find the cost price of the table.

    A)  300                 

    B)  363

    C)  297                 

    D)  270

    Correct Answer: A

    Solution :

    [a] S.P.=Rs. 330, Gain=10% \[\therefore \,\,\,C.P.=\left( \frac{100}{100+Gain%} \right)\times s.p.\] \[=Rs.\,\,\frac{100}{100+10}\times 330\] \[=\frac{100}{110}\times 330=Rs.\,\,300\]


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