The marked price of an article is Rs. 3,500. If the selling price is Rs. 2,800, then the discount percent is:

Correct option is A

Given:
Marked Price (MP) = ₹3500
Selling Price (SP) = ₹2800
Formula Used:
Discount = MP − SP
Discount% = (Discount / MP) × 100
Solution:
Discount = 3500 − 2800 = 700
Discount% = $$\frac {700 }{ 3500}$$​× 100
= 0.2 × 100
= 20%