The marked price of an article is ₹840. A shopkeeper gives a discount of 15% on the marked price and still makes a profit of 19%. What is the cost price of the article?

₹580 ₹540 ₹600 ₹640

₹600

CP                    MP       100 - D%           100 + P%      100 - 15%           100 + 19%          85                      119 119x = 840 Given 85x = ₹600