1. The marked price of a pen is Rs 3000. The shopkeeper gives two successive discounts of 15% and a% to the customer. If the customer pays Rs 2142 for the pen, then what is the value (in percentage) of a?





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  • By: anil on 05 May 2019 02.03 am
    Marked price = Rs. 3000 After first discount of 15%, price of pen = $$3000-(frac{15}{100} imes3000)$$ = $$3000-450=Rs.$$ $$2550$$ After 2nd discount of $$a\%$$, price = $$2550-(frac{a}{100} imes2550)=2142$$ => $$25.5a=2550-2142$$ => $$25.5a=408$$ => $$a=frac{408}{25.5}=16\%$$ => Ans - (A)
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