The difference between a discount of $35 \%$ and two successive discount of $20 \%$ on a certain bill was $Rs$ $22.$ Find the amount of the bill in $Rs.$

A sells an article to $B$ at a gain of $25 \%, B$ sells it to $C$ at a gain $20 \%$ and $C$ sells it to $D$ at a gain of $10 \% .$ If $D$ pays $Rs.\, 330$ for it, how much did it cost $A?$ (in $Rs.$)

A shopkeeper cheats to the extent of $10 \%$ while buying as well as selling, by using false weights. His total gain is in $\%$

A loss of $19 \%$ gets converted into a profit of $17 \%$ when the selling price is increased by $Rs.162.$ The cost price of the article is (in $Rs.$)

A fruit seller bought $240$ bananas at the rate of $Rs.\, 48$ per dozen. He sells half of them at the rate of $Rs.\,5$ per banana, $\frac{1}{6}$ th of the remaining are found to be rotten. The price per banana at which he has to sell the remaining bananas to get a profit of $25 \%$ on his entire investment is (in $Rs.$)

A men sells two houses at the rate of $Rs.\,1.995$ Lakhs each. On one house he gains $20 \%$ and on the other he loses $20 \% .$ His gain or loss per cent in the whole transaction is