The cost price of an article is 25% of the marked price. Calculate the gain percent after allowing a discount of 50%. Answers
A) 25%	B) 50%	C) 100%	D) 150%	E) none
Sol.   Let marked price = Rs. 100. Then, C.P. = Rs. 25. S.P = Rs. 50.   âˆ´ Gain % = [25/25 * 100= 
<gadget id="calculator">25/25 * 100</gadget>
<output>100</output>
100.0%.   Answer 100%
<result>C</result>
The cost price of an article is 25% of the marked price. Calculate the gain percent after allowing a discount of 50%.