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 25%, then the cost price of the article is:  Choose the most appropriate option:
A) 500	B) 277	C) 222	D) 448	E) 111
Explanation:   110% of S.P. = 616   S.P. = (616 * 100)/110 = Rs. 560   C.P = (100 * 560)/125 = Rs. 448   Answer:448
<result>D</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 25%, then the cost price of the article is: