Tanvy bought a watch for Rs.1980 including VAT at 10%. Find the original price of the watch.
VAT = 10%
Selling Price = Rs.1980
Let × be the original price of watch.
VAT Amount = 10% of x
=x/10
× + x/10 = 1980
11x/10 = 1980
X= (1980 × 10) / 11
= Rs.1800
So, Original Price of Watch excluding VAT is Rs.1800.