Roopa buys an article for ₹ 9000 and pays a sales tax of ₹ 450 on it . Find the rate of sales tax
5 %
Given that selling price of the article = ₹ 9000
The amount of sales tax = ₹ 450
Let the rate of sales tax be r
We know , Amount of sales tax = r % of 9000
∴ 450 = r100 × 9000
r = 450×100900
= 5%