The cash difference between the selling prices of an article at a profit of 4% and 2% is Rs. 3. The ratio of the two selling prices is? Select.
A) 52 : 51
B) 52 : 53
C) 52 : 50
D) 22 : 56
E) 52 : 51

Rationale: "let c . p . of the article be rs . x . then , required ratio = 104 % of x / 102 % of x = 104 / 102 = 52 / 51 = 52 : 51 answer : a"
Answer: A