By selling $25$ $metres$ of cloth a trader gains the selling price of $5$ $metres$ of cloth. The gain of the trader in $\%$ is
$25$
$20$
$28$
$29$
An article is sold at a profit of $20 \%$. If both the cost price and selling price are $RS.\, 150$ less, profit would be $5 \%$ more. Find the cost price.
While selling an article for $Rs.\, 18450,$ a person suffered a loss of $50 \%$. At what price he should have sold the article (in $Rs.$) to earn a profit of $50 \% ?$
Two toys are sold at $Rs.\,504$ each. One toy brings the dealer a gain of $12 \%$ and the other a loss of $4 \%$. The gain or loss per cent by selling both the toys is
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 his house worth $Rs.\, 10\, lakh$ to $B$ at a loss of $10 \% .$ Later $B$ sells it back to $A$ at $10 \%$ profit. The result of the two transactions is