The price of $12$ chairs and $8$ tables is $Rs. 676$. What is the price of $21$ chairs and $14$ tables in $Rs.$?

The list price of a shirt is $Rs. 440$ and a customer pays $Rs. 396$ for it. The discount rate is.......$\%$

$A$ shopkeeper marks his goods $20 \%$ above $CP$ but allows $30 \%$ discount for cash. His net loss is in $\%$?

$A$ sells an article to $B$ at a gain of $20 \%$,$B$ sells it to $C$ at a gain of $10 \%$,and $C$ sells it to $D$ at a gain of $12 \frac{1}{2} \%$. If $D$ pays $Rs. 29.70$,what was the cost price for $A$? (in $Rs.$)

The profit earned by a shopkeeper by selling a bucket at a gain of $8 \%$ is $Rs. 28$ more than when he sells it at a loss of $8 \%$. The cost price (in Rupees) of the bucket is

An article is sold for $Rs. 4950$ at a gain of $10 \%$. What would have been the gain or loss per cent if it had been sold for $Rs. 4275$?