After decreasing 24% in the price of an article costs Rs.684. Find the actual cost of an article? Choose the correct choice from the following choices:	A) 218	B) 777	C) 900	D) 2688	E) 1991

Rationale: "cp * ( 76 / 100 ) = 684 cp = 9 * 100 = > cp = 900 answer : c"
Answer: C