The list price of an article at a showroom is $Rs. 2000$ and it is being sold at successive discounts of $20 \%$ and $10 \%$. Its net selling price will be (in $Rs.$)

If the cost price of $20$ articles is equal to the selling price of $15$ articles,find the profit percent?

The selling price of a glass is $Rs. 1965$ and the loss percentage is $25 \%$. If the selling price is $Rs. 3013$,then what will be the profit percentage (in $\%$)?

$A$ manufacturer undertakes to supply $2000$ pieces of a particular component at $Rs. 25$ per piece. According to his estimates,even if $5\%$ fail to pass the quality tests,he will make a profit of $25\%$. However,as it turned out,$50\%$ of the components were rejected. What is the loss to the manufacturer? (in $Rs.$)

$A$ man sells each of his $2$ articles for $Rs. 99$. On one he gains $10 \%$ and on the other he incurs a loss of $1 \%$. What is his total gain in $\%$ in the entire transaction?

The price of a $TV$ is $Rs. 10,000$. If successive discounts of $15\%$,$10\%$,and $5\%$ are allowed,then at what price does a customer buy it in $Rs.$?