A shopkeeper charged Rs.1242 for a geyser which includes 8% tax on it. Find the selling price (without tax) of the geyser.
Let selling price without tax be x.
So, 8% of x=8100(x)=0.08x
Selling price with tax =x+0.08x=1.08x
According to the question:
1.08x=1242
⇒x=12421.08
∴x=1150