a bookseller sold ₹ 15 copies of a book. He sold each of them at ₹340 and thus made a profit of ₹ 360 by selling all the books. Find the cost price of a book.
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Step-by-step explanation:
S. P = 340*15 =5100₹
Total Profit = 360₹
c. p = s. p - profit
c. p = 5100-360 = 4740
c. p of all 15 copies = 4740₹
and for only one copy = 4740/15= 316₹ ans.
hope u understand easily.
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