A shopkeeper sells an article at a gain of $10 \% .$ Had he sold it at a loss of $20 \%,$ its selling price would have been $Rs.\,180$ less. What is the cost price of the article? (in $Rs.$)
$630$
$600$
$580$
None of these
A shopkeeper mixes $26\, kg$ of wheat which cost $Rs$. $20$ a $kg$ with $30\, kg$ of wheat which cost $Rs.\,36$ a $kg$ and sells the mixture at $Rs.\,30$ a $kg.$ Find the profit percent.
A sells a bicycle to $B$ at a profit of $20 \%.$ B sells it to $C$ at a profit of $25 \%.$ If $C$ pays $Rs.\,225$ for it, the cost price of the bicycle for $A$ is (in $Rs.$)
A shopkeeper marks his goods at $25 \%$ above his cost price and allows customers a discount of $12 \frac{1}{2}\%$ for cash. Find his $\%$ profit?
A dealer sold two types of goods for $Rs. 10,000$ each. On one of them, he lost $20 \%$ and on the other he gained $20 \%$. His gain or loss per cent in the entire transaction was
If the $CP$ of $13$ bats is $Rs.$ $390 .$ What is the price in $Rs.$ when it is sold at $10 \%$ loss?