The cost price of an article is 25% below the marked price. If the article is available at 15% discount and its cost price is ₹ 2,400, find:

(i) its marked price

(ii) its selling price

(iii) the profit percent.

Find a single discount (as percent) equivalent to following successive discounts:

(i) 20% and 12%

(ii) 10%, 20% and 20%

(iii) 20%, 10% and 5%

A shopkeeper sells an article for ₹ 21,384 including 10% tax. However, the actual rate of Tax is 8%. Find the extra profit made by the dealer.

An article is purchased for ₹ 1,792 which includes a discount of 30% and 28% GST. Find the marked price of the article.