The marked price of a watch was Rs 720 A man brought the same for Rs 550 80 after getting two succes...........

Quant (SSC) Profit and loss

The marked price of a watch was Rs. 720.A man brought the same for Rs.550.80 after getting two successive discounts the first being 10%. What was the second discount rate?

12%

14%

15%

18%

छोटे Courses बड़े Results

Master Profit and loss

Prepare through Micro-courses

Try Now

Explanation:

Let the second discount rate be x% Then,
(100 – x)% of 90% of 720 = 550.80
=> (100 – x)/100 x 90/100 x 720 = 550.80
= (100-x) = [55080/(9 x 72) = 85
=> x= 15
second discount rate =15%