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A seller gave 5% discount on the tag price of a book and made a profit of 25% on cost. If the cost of the book was Tk. 380, what was the tag price?

A seller gave 5% discount on the tag price of a book and made a profit of 25% on cost. If the cost of the book was Tk. 380, what was the tag price? Correct Answer Tk 500

Hints: 25% লাভে ক্রয়মূল্য ১০০ টাকা হলে বিক্রয়মূল্য ১২৫ টাকা ক্রয়মূল্য ৩৮০ টাকা হলে বিক্রয়মূল্য (১২৫× ৩৮০)/১০০ টাকা = ৪৭৫ টাকা আবার, ৫% ডিসকাউন্ট এ, বিক্রয়মূল্য ৯৫ টাকা হলে তালিকা মূল্য ১০০ টাকা বিক্রমূল্য ৪৭৫ টাকা হলে তালিকা মূল্য (৪৭৫× ১০০)/৯৫ = ৫০০ টাকা

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