A dealer offers a cash discount of 20%. Further, a customer bargains and receives 20 articles for the price of 15 articles. The dealer still makes a profit of 20%. How much percent W above the cost price were his articles marked? Choose the correct choice.
A) 100%
B) 80%
C) 75%
D) 66+2/3%
E) 50%
Good question...2:11 min   Marked Price (M) = Cost Price (C) + Mark up...(EQN. A)   Selling price = 20% Discount over M = 0.8*M   Given that, a customer bargains and receives 20 articles for the price of 15 articles--&gt;*afurther loss of 25%to the dealer--&gt; BUT aNET PROFIT of 20%over cost price (C)   0.75* 0.8 * M =1.2 * C   Hence, M/C = 2/1 = 200%=W   From Eqn. A , (C + Mark up)/C = 200% --&gt;Mark up / C = 100%   Ans. 100%
<result>A</result>
A dealer offers a cash discount of 20%. Further, a customer bargains and receives 20 articles for the price of 15 articles. The dealer still makes a profit of 20%. How much percent W above the cost price were his articles marked?