If the cost price is 25% of selling price. Then what is the profit percent Answers:  A) 238  B) 278  C) 300  D) 166  E) 129

Rationale: "explanation : let the s . p = 100 then c . p . = 25 profit = 75 profit % = ( 75 / 25 ) * 100 = 300 % answer : c"
Answer: C