An article was purchased for Rs1239 including GST of 18%. Find the price of the article before GST was added?

An article was purchased for Rs 1239 Including GST of 18%. Find the price of the article before GST was added ?

" Salim bought an article for 784 which included GST the price of the article before GST was added?

I purchased a hair-dryer for Rs 5,400 including 8% VAT. Find the price before VAT was added.

I purchased a hair-dryer for Rs 5,400 including 8% VAT. Find the price before VAT was added.

Mr. Gupta purchased an article for 702 including tax. If the rate of tax is 8%, find the sale price of the article.