The cost price of $40$ articles is the same as the selling price of $25$ articles. Find the gain percent.
$65$
$60$
$15$
$75$
A sold a horse to $B$ for $Rs.\, 4800$ by losing $20 \%$. $B$ sells it to $C$ at a price which would have given $A$ a profit of $15 \% .$ $B's$ gain 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?
An article was purchased for $Rs.\,78,350.$ Its price was marked up by $30 \% .$ It was sold at a discount of $20 \%$ on the marked$-$up price. What was the profit percent on the cost price?
When a book is sold at its Marked Price it gives a profit of $40 \% .$ What $\%$ will happen if it is sold at half the marked Price?
An $Ox$ and a carriage together cost $Rs.$ $8000$ The ox is sold at profit of $10 \%$ and carriage is sold at loss of $10 \% .$ If total profit made is $2.5 \%$ then what is the cost price of the $ox$? (in $Rs.$)