After giving two successive discounts, each of x%, on the marked price of an article, total discount is Rs. 259.20. If the marked price of the article is Rs. 720, then the value of x is:

Solution (By Examveda Team)

In this type of question, we can go through option. From on C, 20%
$$\eqalign{ & 20 + 20 - \frac{{20 \times 20}}{{100}} = 36\% \cr & \frac{{720 \times 36}}{{100}} = 259.20 \cr & 259.20 = 259.20 \cr} $$