The marked price of a watchwas 720/-. A man bought thesame for 550.80,

1.	The marked price of a watchwas 720/-. A man bought thesame for 550.80, after gettingtwo successive discounts, thefirst 10%. What was the seconddiscount rate ?
Answer» Marked price of watch MP = 720 Let second discount be x% Then,550.80 = 720(1 - 10/100)(1 - x/100)550.80 = 720(9/10)(100-x/100)55080/72*9 = 100-x85 = 100 - xx = 100 - 85x = 15 Therefore, second discount rate is 15%

The marked price of a watchwas 720/-. A man bought thesame for 550.80, after gettingtwo successive discounts, thefirst 10%. What was the seconddiscount rate ?

Answer»

Marked price of watch MP = 720

Let second discount be x%

Then,550.80 = 720(1 - 10/100)(1 - x/100)550.80 = 720(9/10)(100-x/100)55080/72*9 = 100-x85 = 100 - xx = 100 - 85x = 15

Therefore, second discount rate is 15%