The price of an article including the sales tax is Rs The rate of sales tax is 10%,if the shopkeeper has made a profit of 12%,then the cost price of the article is?
A Tk. 500
B Tk. 515
C Tk. 550
D Tk. 600
Solution
Correct Answer: Option A
price before sales tax 616 × 100/110 =560
cost = 560 ×100/112
= 500
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