Correct option is B
Given:
Selling Price (SP) = ₹1144
Profit Percentage = 30%
New Selling Price (SP) = ₹704
Formula Used:
Cost Price = 1+100Profit PercentageSelling Price
Loss Percentage = Cost PriceCost Price−Selling Price×100
Solution:
Cost Price = 1+100301144=1.301144=₹880
Loss Percentage = 880880−704×100=880176×100=20%
The loss percentage is 20%.
Thus, the correct option is (b) 20%
Alternate Method:
Let CP = 100%; then SP = 130%
CP = 130%1144×100% = 880
CP : SP
880 : 704
Loss Percentage = 880176×100% = 20%