After decreasing 20% in the price of an article costs Rs.600. Find the actual cost of an article?  Options.
A) 775
B) 620
C) 53
D) 530
E) 220

Rationale: "cp * ( 80 / 100 ) = 600 cp = 7.75 * 100 = > cp = 775 answer : a"
Answer: A