A trader marks his articles 20% more than the cost price. If he allows 20% discount, then find his gain or loss percent?  Choices.
A) 7 B) 6 C) 5 D) 9 E) 4
Let CP of an article = RS. 100   MP= Rs. 120   Discount = 20%   SP = M[(100 - d%)/100] = 120(80/100) = Rs. 96   Clearly, the trader gets 4% loss.   Answer: 4
<result>E</result>
A trader marks his articles 20% more than the cost price. If he allows 20% discount, then find his gain or loss percent?