A shopkeeper loses 15%,if an article is sold for Rs. 136. What should be the selling price of the article to gain 20%?	Options.
A) s . 147 B) s . 148 C) s . 144 D) s . 189 E) s . 192

Rationale: "given that sp = rs . 136 and loss = 15 % cp = [ 100 ( sp ) ] / ( 100 - l % ) = ( 100 * 136 ) / 85 = rs . 160 . to get 20 % profit , new sp = [ ( 100 + p % ) cp ] / 100 = ( 160 * 120 ) / 100 = rs . 192 answer : e"
Answer: E