A shopkeeper sells $20$ pencils for the same amount of money as he paid for $25$ pencils. What is his gain percent?
$20$
$25$
$24$
None of these
A tradesman marks his goods $30 \%$ more than the cost price. If he allows a discount of $6 \frac{1}{4} \%$ then his gain percent is
A man sold his two horses for $Rs.\, 770$ each, on one he gained $10$ $\%$ $\&$ on the other he lost $10 \% .$ The average gain or loss percentage is
$'A'$ buys an article and sells it to $'B'$ at a profit of $10 \%,{ }^{\prime} B ^{\prime}$ sells it to $'C ^{\prime}$ gaining $20 \% .$ If $'C ^{\prime}$ gives $RS.\,924,$ what amount did $'A'$ give? (in $Rs.$)
A loss of $19 \%$ gets converted into a profit of $17 \%$ when the selling price is increased by $Rs.162.$ The cost price of the article is (in $Rs.$)
A sold a pen to $B$ at a profit of $20\%,$ $B$ sold the same pen to $C$ for $Rs.\,75$ thereby making a profit of $25 \% .$ Find the price at which A bought the pen? (in $Rs.$)