A men gains $20 \%$ by selling an article for a certain price. If he sells it at double the price, what will be the percentage of profit?
$10$
$30$
$15$
$140$
Profit obtained on selling an article for $Rs.\,310$ is equal to the loss incurred on selling that article for $Rs.\, 230.$ What will be the loss percentage when selling price is $Rs.\, 180$?
$10 \%$ discount and then $20 \%$ discount in succession is equivalent to total discount of.......$\%$
When a plot was sold for $Rs$ $18700,$ the owner lost $15 \% .$ At what price must the plot be sold in order to gain $15 \% ?$
A manufacturer sells an article to a wholesale dealer at a profit of $10 \%$. The wholesale dealer sells it to a shopkeeper at $20 \%$ profit. The shopkeeper sells it to a customer for $Rs.\, 56,100$ at a loss of $15 \%$. Then the cost price of the article to the manufacturer is (in $Rs.$)
A shopkeeper sells sugar in such a way that the selling price of $950$ $g$ of sugar is the same as the cost price of $1\, Kg$ of sugar. What is his gain percent?