The cost price of an article is 55% of the marked price. Calculate the gain percent after allowing a discount of 15%.  Choose the correct choice from the following
A) 40.5 %  B) 48.7 %  C) 54.5%  D) 55.6% %  E) none
Sol.   Let marked price = Rs. 100. Then, C.P. = Rs. 55. S.P = Rs. 85.   âˆ´ Gain % = [30/55 * 100]% = 54.5%.   Answer 54.5%
<result>C</result>
The cost price of an article is 55% of the marked price. Calculate the gain percent after allowing a discount of 15%.