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?

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