An article is listed at Rs. 920. A customer pays Rs. 742.90 for it after getting two successive discounts. If the rate of first discount is 15%, the rate of 2nd discount is:	Choose the correct choice from the following choices: A) 3% B) 5% C) 8% D) 12% E) None
Solution: MP = 920.   After first discount Marked Price (MP) become,   = 920 - 15% of 920 = 782.   The Selling Price (SP) = 742.90.   Let second discount was x% on 782.   782 - x% of 782 = 742.90   782x/100 = 39.1   782x = 3910   x = 5%.   Second Discount = 5%.   Answer: Option 5%
<result>B</result>
An article is listed at Rs. 920. A customer pays Rs. 742.90 for it after getting two successive discounts. If the rate of first discount is 15%, the rate of 2nd discount is: