Gauri went to the stationers and bought things 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?
Answer: Option C
Let the amount taxable purchases be Rs. x.
Cost of tax free items = Rs. [25 - (5 + 0.30)] = Rs. 19.70