Rahul went to a shop 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?  Choose the correct choice from the following answers.
A) 15 B) 12.1 C) 19.7 D) 16.0 E) 20.0
Total cost of item he pirchased = 25   tot tax = 30 paise = 30/100   tax free = x   given tax rate = 6%   25-30/100 - x6/100 = 30/100   6(25-0.3-x) = 30   x=19.7   ANSWER 19.7
<result>C</result>
Rahul went to a shop 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?