SGB is not tax free? #LLAShorts 101

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? Rs.15 b.Rs.19.70 c.Rs.15.70 d.Rs.20

A tax payer is exempted of income tax for the first 100000 of his annual income but for the rest of the income, he has to pay a tax at the rate of 20%. If he paid 3160 as income tax for a year, his monthly income is

Income of a person decreased by 3000 Rs. and rate of Income tax increased from 15% t o 18% . The ratio of paid tax is 3 : 2. 26.5% income is tax free. Find initial income.

What is the decimal equivalent of (101.101)_(2) ?