The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25% then determine the value of x.	Options:
A) 14 B) 15 C) 16 D) 17 E) 18

Rationale: "explanation : let the cost price 1 article = re 1 cost price of x articles = x s . p of x articles = 20 gain = 20 - x = > 25 = ( 20 − x / x ∗ 100 ) = > 2000 − 100 x = 25 x = > x = 16 option c"
Answer: C