A person bought a horse and a carriage for $Rs.\,20000.$ Later, he sold the horse at $20 \%$ profit and the carriage at $10 \%$ loss. Thus, he gained $2 \%$ in the whole transaction. The cost price of the horse was (in $Rs.$)
$7200$
$7500$
$8000$
$9000$
A trader sells rice at a profit of $5 \%$ and uses a weight which is $25 \%$ less. Find the total percentage gain.
A person sells a colour $T V$ at $10 \%$ below the cost price. Had he received $Rs.\,1494$ more, he would have made a profit of $12 \frac{1}{2} \% .$ What was the cost price of the colour $TV?$ (in $Rs.$)
If on selling $12$ note books, a seller makes a profit equal to selling price of $4$ notebooks. What is his percent profit?
$10 \%$ discount and then $20 \%$ discount in succession is equivalent to total discount of.......$\%$
Two continuous discounts of $4 \%$ on any thing should be equal to $\%$