The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%? Choose the correct option
A) 37.5%  B) 37.9%  C) 37.8%  D) 39.5%  E) 31.5%
Let marked price = Rs. 100.   Then, C.P. = RS. 64, S.P. = Rs. 88   Gain % = 24/64 * 100= 
<gadget id="calculator">24/64 * 100</gadget>
<output>75/2 = around 37.5</output>
37.5%.   37.5%nswer:37.5%
<result>A</result>
The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%?