The list price of an article is Rs.70. A customer pays Rs.56.16 for it. He was given two successive discounts, one of them being 10%. The other discount is?
Choose the correct choice from the following answers:
A) 10.85 %
B) 14.85 %
C) 15.85 %
D) 16.85 %
E) 17.85 %

Rationale: "70 * ( 90 / 100 ) * ( ( 100 - x ) / 100 ) = 56.16 x = 10.85 % answer : a"
Answer: A