Correct Answer - Option 4 : 16% loss
Given:
C.P/M.P = 5/6
Discount = 30%
Formula used:
Discount = [(D%)/100] × M.P
S.P = M.P - Discount
Loss = C.P - S.P
Calculation:
Let C.P and M.P be 500 and 600
Discount = 30%
Discount = [(D%)/100] × M.P
Discount = (30/100) × 600
⇒ Discount = 180
So, S.P = M.P - Discount
S.P = 600 - 180
⇒ S.P = 420
Loss = C.P - S.P
Loss = 500 - 420 = 80
Loss% = (80/500) × 100 = 16%
∴ The profit percentage is 16%.