Sneha went to the stationers and bought things worth Rs. 50, out of which 50 paise went on sales tax on taxable purchases. If the tax rate was 5%. then what was the cost of the tax free items? Choose the correct choice from the following answers:  A) Rs. 39.60  B) Rs. 39.50  C) Rs. 39.80  D) Rs. 49.50  E) Rs. 49.75
Solution   Let the amount of taxable purchases be Rs.x.   Then, 5% of x	= 50/100   x ‹=› (50/100×100/5)   = 10   Cost of tax free items	= Rs.[50 - (10 + 0.50)]   = Rs. 39.50   Answer Rs. 39.50
<result>B</result>
Sneha went to the stationers and bought things worth Rs. 50, out of which 50 paise went on sales tax on taxable purchases. If the tax rate was 5%. then what was the cost of the tax free items?