Percentage Q75

75.	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?
	A. Rs. 15 B. Rs. 15.70 C. Rs. 19.70 D. Rs. 20

Answer: Option C

Explanation:

Let the amount taxable purchases be Rs. x.

Then, 6% of x =	30
	100

x =		30	x	100	= 5.
		100		6

                        Cost of tax free items = Rs. [25 - (5 + 0.30)] = Rs. 19.70