a dealer allows a discount of 10% on the Marked price of a book and still makes a profit of 10% If the cost price of the book is rupees 90 find its selling price and its marked price
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adnanahmad786:
bhai sahi s nhi samaj aaya last wala solution
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i cant understand the last step of the question
how do you find the marked price
Given 10% discount on marked price means 99%of marked price = selling price
90% of marked price = selling price
(90/100)*M.P=99 => M.p is 110
Ok
Assume marked price 100%
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this is the correct answer
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