An article was purchased for ₹ 1239 including a GST of 18%. Find the price of the article before GST was added?

The article was purchased for 1239 with 18% GST on it.

Let the article price be x.

If we add 18% GST to it.

$x\times \frac{118}{100}=1239$

$x=\frac{1239\times 118}{118}$

x=1050

The price of the article is ₹ 1050.