A shopkeeper sells notebooks at the rate of $Rs.\, 45$ each and earns a commission of $4 \% .$ He also sells pencil box at the rate of $Rs.\, 80$ each and earns a commission of $20 \% .$ How much amount of commission will he earn in two weeks if he sells $10$ notebooks and $6$ pencil boxes a day? (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 wishes to give $5 \%$ commission on the marked price of an article but also wants to earn a profit of $10 \% .$ If his cost price is $\,95,$ then the marked price is (in $Rs.$)

A person sold a radio at a loss of $5 \% .$ Had he sold it for $Rs\, 210$ more, he would have gained $25 \%$. For what value should he sell it in order to gain $35 \% ?$

A fair price shopkeeper makes $10 \%$ profit on his goods. He lost $20 \%$ goods during theft. His. loss percent is

A cloth merchant sold half of his cloth at $20 \%$ profit, half of the remaining at $20 \%$ loss and the rest was sold at the cost price. In the total transaction, his gain or loss will be