when the cost of a book is reduced by 10%,the price is Rs 180.what is the original price? ans fast
 

Dear student

Let original price=Rs xA.T.Qx-10x100=18090x100=180x=18009x=200So original price is Rs 200
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plzz ans fast
 
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cost of book after reduced 10 % = 180
real cost of book = 180*10
                                      100
=180+18   = 198
198 will be the real cost of book
 
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