When a plot was sold for $Rs. 18700$,the owner lost $15 \%$. At what price must the plot be sold in order to gain $15 \%$?

Mohit lost $18 \%$ by selling a bicycle for $Rs. 1230$. What percent shall he gain or loss by selling it for $Rs. 1600$?

$A$ shopkeeper sold a $TV$ set for $Rs. 17940$ with a discount of $8 \%$ and earned a profit of $19.6 \%$. What would have been the percentage of profit earned if no discount was offered (in $\%$)?

$A$ shopkeeper sells one transistor for $Rs.\, 840$ at a gain of $20 \%$ and another for $Rs.\, 960$ at a loss of $4 \%$. His total gain or loss percent is

Find $CP$ when $SP = Rs. 51.70$ and $\text{loss} = 12\%$.

Rajesh sells a tape recorder to Mihir at a loss of $10 \%$,and Mihir sells it to Shiv at a loss of $20 \%$. If Shiv pays $Rs. 1440$ for it,at what price did Rajesh buy it? (in $Rs.$)