Ravi purchased an article marked at Rs. 21000 at 5% discount. The rate of sales tax on the article is 10%. Money paid by Ravi to purchase the article is-

A person purchased a table for $₹11000$ and sold it for $₹13500$. What is his gain percentage?

$1.$ $19.8\%$
$2.$ $20.6\%$
$3. 22.7\%$
$4.$ $22\%$

Karan purchased one dozen pens for $120$ and sold a pack of $3$ pens for Rs. $35$ each. What is his gain? 

1.$16.67\%$
2. $20\%$
3.$15\%$
4.$33.33\%$

A farmer purchased a piece of land for Rs. 18 lakh and spent Rs. 3 lakh for registration, fencing etc. He sold it for Rs. 24.57 lakh. Find his profit in percentage.

1. 15%
2. 14.15%
3. 16.5%
4. 17%

Vinod purchased a Maruti van for $₹196000$. Rate of fall of price per year of this van is $14\frac{2}{7}\%$. What will be its price after two years?

Successive discounts of $20\%$ and $10\%$ are given on an item marked at $Rs.700$. Find the selling price.