1. The marked price of a book is Rs 4200. The shopkeeper gives two successive discounts of 25% and y% to the customer. If the customer pays Rs 2898 for the book, then what is the value (in percentage) of y?
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By: anil on 05 May 2019 02.04 am
Marked price = Rs. 4200 After first discount of 25%, price of pen = $$4200-(frac{25}{100} imes4200)$$ = $$4200-1050=Rs.$$ $$3150$$ After 2nd discount of $$y\%$$, price = $$3150-(frac{y}{100} imes3150)=2898$$ => $$31.5y=3150-2898$$ => $$31.5y=252$$ => $$y=frac{252}{31.5}=8\%$$ => Ans - (B)
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