An article is sold for ₹840 after two successive discounts of 20% and 30% on its marked price. What is the discount (in ₹)?

660

Selling price = 840

Two discounts are = 20% and 30%

 Combined discount = X + y - \(\frac{x × y}{100}\)

Combined discount  =   20 + 30 - \(\frac{20 × 30}{100}\)  =    44%

(100-44 = 56)% of MP = 840

44% of MP = Rs.660(Discount)