Gauri went to the stationers and bought items worth Rs.25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax-free items?
Cost price of items bought by Gauri in the stationers = 25
Price after deducting sales tax = 25 - 0.30 = 24.70
Let the amount of sales tax on taxable purchases be x
Then, 6% of x = 0.3 rs
x = (0.3)($$\frac{100}{6}$$)
x = 5
Cost price of the tax free items = 24.70 - 5 = 19.70
Hence, option C is the correct answer.
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