Concept of Discount

Concepts

Discount(छूट)

Discount = Discount % of _________.

Rate of Discount = Discount %=( Discount )/(M.P.)xx100

Is national income a stock concept or flow concept ?

An article was sold at a discount of 20% at Rs. 1020. If the article was sold at discount of Rs. 199 in place of 20% discount then find the selling price

An article was sold at a discount of 30% at Rs. 1120. If the article was sold at discount of Rs. 399 in place of 30% discount then find the selling price .