The list price of an article is Rs.67. A customer pays Rs.56.16 for it. He was given two successive discounts, one of them being 10%. The other discount is? Pick one
A) 3.86%  B) 4.86%  C) 5.86%  D) 6.86%  E) 7.86%
67*(90/100)*((100-x)/100) = 56.16   x = 6.86%   ANSWER:6.86%
<result>D</result>
The list price of an article is Rs.67. A customer pays Rs.56.16 for it. He was given two successive discounts, one of them being 10%. The other discount is?