Sanjay purchased a chair marked at $Rs.\, 800$ at $2$ successive discount of $10 \%$ and $15 \%$ respectively. He spent $Rs.\, 28$ on transportation and sold the chair for $Rs.$ $800 .$ How much is his gain percentage?
$14$
$30$
$25$
$40$
$10 \%$ discount and then $20 \%$ discount in succession is equivalent to total discount of.......$\%$
If the discount of $10 \%$ is given on the marked price of a radio, the gain is $20 \%$. If the discount is increased to $20 \%,$ the gain is......$\%$
A shopkeeper sells notebooks at the rate of $Rs.\,457$ each and earns a commission of $4 \% .$ He also sells pencil boxes 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?
If the cost price of an item is $\frac{2}{5}$ of its marked price and if it is sold at a discount of $10 \%,$ then there will be
A fan is listed at $Rs.\, 1500$ and a discount of $20 \%$ is offered on the list price. What additional discount must be offered to the customer to bring the net price to $Rs$ $1104 ?$ (in $\%$)