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 40%, then the cost price of the article is: Options.
A) 500
B) 277
C) 222
D) 297
E) 400
Explanation:   110% of S.P. = 616   S.P. = (616 * 100)/110 = Rs. 560   C.P = (100 * 560)/140 = Rs. 400   Answer:400
<result>E</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 40%, then the cost price of the article is: