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SSC Sample Paper Mock Test-2 SSC CGL Tear-II Paper-1

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

    A)  Rs. 130            

    B)  Rs. 140

    C)  Rs. 150

    D)  Rs. 160

    Correct Answer: C

    Solution :

    Let the CP of the book be Rs. x Initial SP \[=\frac{110}{100}\times x\]=Rs. 1.1 x New CP = Rs. 0.96 x New SP \[=\left( 100+\frac{75}{4} \right)%\]of Rs. 0.96 x \[=\frac{475}{400}\times 0.96x\]= Rs. 1.14 x Therefore, \[1.14x-1.1x=6\] \[\Rightarrow \]               0.04 x =6 \[\Rightarrow \]   \[x=\frac{6}{0.04}=\frac{600}{4}=150\] \[\Rightarrow \]   CP = Rs. 150                


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