The sale price of an article including the sales tax is Rs. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 15%, then the cost price of the article is:  Choices:
A) 487
B) 277
C) 222
D) 297
E) 111
Explanation:   120% of S.P. = 616   S.P. = (616 * 100)/120 = Rs. 560   C.P = (100 * 560)/115 = Rs. 487   487nswer:487
<result>A</result>
The sale price of an article including the sales tax is Rs. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 15%, then the cost price of the article is: