The value of an article depreciates every year at the rate of $10 \%$ of its value. If the present value of the article is $Rs. 729$,then its worth $3$ years ago was (in $Rs.$)

$A$ person sold a horse at a gain of $15 \%$. Had he bought it for $25 \%$ less and sold it for $₹ 60$ less,he would have made a profit of $32 \%$. The cost price of the horse was (in $₹$):

The list price of a shirt is $Rs. 440$ and a customer pays $Rs. 396$ for it. The discount rate is.......$\%$

$A$ 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

Mohan buys a watch for $Rs. 350$ and sells it for $Rs. 392$. Find out his percentage of profit.

$A$ trader mixes $26 \text{ kg}$ of rice at $Rs. 20$ per $\text{kg}$ with $30 \text{ kg}$ of rice of another variety at $Rs. 36$ per $\text{kg}$ and sells the mixture at $Rs. 30$ per $\text{kg}$. His profit percent is: