Rahul went to a shop and bought things worth Rs. 26, 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? Select the correct option.
A) Rs 15 B) Rs 12.10 C) Rs 20.70 D) Rs 16.80 E) None of these
Explanation :   Let the cost of the tax items = x   Given that tax rate = 6%   Rs 20.70ost of tax items, x*(6/100) = 30/100   x = 5 rs   Now non taxable item = total cost - cost for taxable item - tax   = 26 - 5 - 0.30= 
<gadget id="calculator">26 - 5 - 0.30</gadget>
<output>20.7</output>
20.70   Answer : Rs 20.70
<result>C</result>
Rahul went to a shop and bought things worth Rs. 26, 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?