An uneducated retailer marks all his goods at 40% above the cost price and thinking that he will still make 25% profit, offers a discount of 25% on the marked price. What is his actual profit on the sales? Choose one:
A) 12.50 %  B) 13.50 %  C) 5 %  D) 14.50 %  E) None
Sol.   Let C.P. = Rs. 100. Then, marked price = Rs. 140.   S.P. = 75% of Rs. 140 = Rs. 105.   ∴ Gain% = 5%.   Answer 5 %
<result>C</result>
An uneducated retailer marks all his goods at 40% above the cost price and thinking that he will still make 25% profit, offers a discount of 25% on the marked price. What is his actual profit on the sales?