A shopkeeper buys a certain article for Rs50 and gives a discount of 20% on the retail selling price. In the process he makes a profit of Rs90. What is the retail price before discount? ( ADP COMPANY)

A shopkeeper buys a certain article for Rs50 and gives a discount of 2

1.	A shopkeeper buys a certain article for Rs50 and gives a discount of 20% on the retail selling price. In the process he makes a profit of Rs90. What is the retail price before discount? ( ADP COMPANY)
A.	Rs210
B.	Rs160
C.	Rs175
D.	Rs185
Answer» D. Rs185