The percentage profit earned by selling an article for Rs. 1320 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit? Choose one.
A) 3000 B) 1230 C) 2000 D) 1625 E) 3400
C.P. be Rs. x.   Then, (1320 - x)/x * 100 = (x - 1280)/x * 100   1320 - x = x - 1280   2x = 2600 =&gt; x = 1300   Required S.P. = 125 % of Rs. 1300 = 125/100 * 1300 = Rs. 1625.   ANSER 1625
<result>D</result>
The percentage profit earned by selling an article for Rs. 1320 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?