A vendor bought toffees at $6$ for a rupee. How many for a rupee must he sell to gain $20 \% ?$
$3$
$4$
$5$
$6$
If $5 \%$ more is gained by selling an article for $Rs.\, 350$ than by selling it for $Rs$ $340,$ the cost of the article is......$\%$
Arun marks up the computer he is selling by $20 \%$ profit and sells them at a discount of $15 \%$. Arun's net gain percent is
If the selling price of an article is $\frac{4}{3}^{rd}$ of its cost price the profit in the transaction is $\%$
Charging $30 \%$ above its production cost a radio maker puts a label of $Rs.\, 286$ on a ratio as its price. But at the time of selling it, he allows $10 \%$ discount on the labeled price. What will his gain be? (in $Rs.$)
Find $SP$ when $CP = Rs.\; 80 .40, \operatorname{loss}=5 \% ?$