Rahul went to a shop and bought things worth Rs. 75, 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.
A) A)19.7	B) B)29.9	C) C)39.7	D) D)69.7	E) E)99.7
Total cost of the items he purchased = Rs.75   Given that out of this Rs.75, 30 Paise is given as tax   =&gt; Total tax incurred = 30 Paise = Rs.30/100   Let the cost of the tax free items = x   Given that tax rate = 6%   ∴ (75−30/100−x)6/100 = 30/100   ⇒ 6(75 −0.3 −x) = 30   ⇒ (75 − 0.3 − x) = 5   ⇒ x = 75 − 0.3 − 5 = 69.7   69.7)
<result>D</result>
Rahul went to a shop and bought things worth Rs. 75, 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?