Albert buys $4$ $horses$ and $9$ cows for $Rs. 13400$. If he sells the horse at $10 \%$ profit and the cows at $20 \%$ profit, then he earns a total profit of $Rs.\, 1880 .$ The cost of a horse is (in $Rs.$)
$1000$
$2000$
$2500$
$3000$
Two continuous discounts of $4 \%$ on any thing should be equal to $\%$
Profit obtained on selling an article for $Rs.\,310$ is equal to the loss incurred on selling that article for $Rs.\, 230.$ What will be the loss percentage when selling price is $Rs.\, 180$?
A shopkeeper sold some articles at $Rs.\,35$ per piece and gained $40 \% .$ What would be the selling price of each article to earn $60 \%$ profit? (in $Rs.$)
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 $Rs.$)
Three successive discounts of $10 \%, 12 \%$ and $15 \%$ will amount to a single discount of in $\%$?