The marked price of a clock is Rs.6400. It is to be sold at Rs.4896 at two successive discounts. If the first discount is 10%, the second discount is Select the correct option: A) 14% B) 4% C) 15% D) 20% E) 10%
6400/10= 
<gadget id="calculator">6400/10</gadget>
<output>640</output>
640 discount 1st then we get 5760   5760-4896= 
<gadget id="calculator">5760-4896</gadget>
<output>864</output>
864 in 2nd discount so 864*15=5760   ans 15%   ANSWER:15%
<result>C</result>
The marked price of a clock is Rs.6400. It is to be sold at Rs.4896 at two successive discounts. If the first discount is 10%, the second discount is